APA (7e ed.) Bronvermelding

Sadler, M., & Bollen, R. (1983). It's not easy being a bunny. Beginner Books.

Chicago (17e ed.) Bronvermelding

Sadler, Marilyn, en Roger Bollen. It's Not Easy Being a Bunny. New York: Beginner Books, 1983.

MLA (8e ed.) Bronvermelding

Sadler, Marilyn, en Roger Bollen. It's Not Easy Being a Bunny. Beginner Books, 1983.