Παραπομπή σε μορφή APA (7η εκδ.)

Peg Hall. (2002). "Whose Eyes Are These?: A Look at Animal Eyes - Big, Round, and Narrow (Whose Is It?)". Picture Window Books.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Peg Hall. "Whose Eyes Are These?: A Look at Animal Eyes - Big, Round, and Narrow (Whose Is It?)". Picture Window Books, 2002.

Παραπομπή σε μορφή MLA (9th εκδ.)

Peg Hall. "Whose Eyes Are These?: A Look at Animal Eyes - Big, Round, and Narrow (Whose Is It?)". Picture Window Books, 2002.