APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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