Sadler, M., & Bollen, R. (1983). It's not easy being a bunny. Beginner Books.
Lua i Stíl Chicago (17ú heag.)Sadler, Marilyn, agus Roger Bollen. It's Not Easy Being a Bunny. New York: Beginner Books, 1983.
Lua MLA (8ú heag.)Sadler, Marilyn, agus Roger Bollen. It's Not Easy Being a Bunny. Beginner Books, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.