APA-referens (7:e uppl.)

Peg Hall. (2002). "Whose Legs Are These?: A Look at Animal Legs - Kicking, Running, and Hopping (Whose Is It?)". Picture Window Books.

Chicago-referens (17:e uppl.)

Peg Hall. "Whose Legs Are These?: A Look at Animal Legs - Kicking, Running, and Hopping (Whose Is It?)". Picture Window Books, 2002.

MLA-referens (9:e uppl.)

Peg Hall. "Whose Legs Are These?: A Look at Animal Legs - Kicking, Running, and Hopping (Whose Is It?)". Picture Window Books, 2002.