http://www.dec.ny.gov/animals/7164.html
http://www.redearslider.com/basking.html
http://www.ct.gov/dep/cwp/view.asp?A=2723&Q=325976
http://www.euroturtle.org/FAQ.htm#5
http://www.arkive.org/bog-turtle/glyptemys-muhlenbergii/
http://pioneerunion.ca.schoolwebpages.com/education/components/scrapbook/default.php?sectiondetailid=3559&linkid=nav-menu-container-4-29017
http://www.zooatlanta.org/home/animals/reptiles/bog_turtle
http://www.in.gov/dnr/fishwild/files/fw-10WildlifeDiversityReportResearchBoxTurtle.pdf
http://genetics.wustl.edu/blog/painted-turtle-gets-dna-decoded/
http://www.ukm.my/ahmadukm/images/stories/data/kuliah/manusia/artikel/turtle.htm
http://en.wikipedia.org/wiki/Carapace
http://teacher.scholastic.com/activities/explorations/adaptation/libraryarticle.asp?ItemID=32&SubjectID=120&categoryID=2
http://digimorph.org/specimens/Glyptemys_muhlenbergii/whole/
http://www.animalquestions.org/reptiles/turtles/can-turtles-breathe-underwater/
http://www.turtlecare.net/home/turtle-topics-parent/how-do-turtles-breathe
http://www.seeturtles.org/1380/global-warming.html
http://www.tortoise.org/general/eggcare.html
http://turtle_tails.tripod.com/backyardturtles/byttour4.htm
http://www.redearslider.com/basking.html
http://www.ct.gov/dep/cwp/view.asp?A=2723&Q=325976
http://www.euroturtle.org/FAQ.htm#5
http://www.arkive.org/bog-turtle/glyptemys-muhlenbergii/
http://pioneerunion.ca.schoolwebpages.com/education/components/scrapbook/default.php?sectiondetailid=3559&linkid=nav-menu-container-4-29017
http://www.zooatlanta.org/home/animals/reptiles/bog_turtle
http://www.in.gov/dnr/fishwild/files/fw-10WildlifeDiversityReportResearchBoxTurtle.pdf
http://genetics.wustl.edu/blog/painted-turtle-gets-dna-decoded/
http://www.ukm.my/ahmadukm/images/stories/data/kuliah/manusia/artikel/turtle.htm
http://en.wikipedia.org/wiki/Carapace
http://teacher.scholastic.com/activities/explorations/adaptation/libraryarticle.asp?ItemID=32&SubjectID=120&categoryID=2
http://digimorph.org/specimens/Glyptemys_muhlenbergii/whole/
http://www.animalquestions.org/reptiles/turtles/can-turtles-breathe-underwater/
http://www.turtlecare.net/home/turtle-topics-parent/how-do-turtles-breathe
http://www.seeturtles.org/1380/global-warming.html
http://www.tortoise.org/general/eggcare.html
http://turtle_tails.tripod.com/backyardturtles/byttour4.htm