Gaya APA

Parker, N, W., Wright, J, R. (1990). Frogs, Toads, Lizards and Salamanders . New York: Scholastic Inc.

Gaya MLA

Parker, Nancy, Winslow., Wright, Joan, Richards. "Frogs, Toads, Lizards and Salamanders". New York: Scholastic Inc, 1990. Text Book.