Sadler, M., & Bollen, R. (1983). It's not easy being a bunny. Beginner Books.
芝加哥风格引文Sadler, Marilyn, 与 Roger Bollen. It's Not Easy Being a Bunny. New York: Beginner Books, 1983.
MLA引文Sadler, Marilyn, 与 Roger Bollen. It's Not Easy Being a Bunny. Beginner Books, 1983.
警告：这些引文格式不一定是100％准确.