Gaya APA

Grolier's Amazing World of Animals 20. (1972). New York: Grolier Enterprises, Inc.

Gaya Chicago

Grolier's Amazing World of Animals 20. . New York: Grolier Enterprises, Inc, 1972. Text Book.

Gaya MLA

Grolier's Amazing World of Animals 20. . New York: Grolier Enterprises, Inc, 1972. Text Book.

Gaya Turabian

Grolier's Amazing World of Animals 20. New York: Grolier Enterprises, Inc, 1972. Text Book.