توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

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

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

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

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

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