APA-referens (7:e uppl.)

Hansen, M., King, K., & Lee, B. (1979). Preparation for childbirth: A health workers manual. Peace Corps Columbia.

Chicago-referens (17:e uppl.)

Hansen, Miriam, Karen King, och Barbara Lee. Preparation for Childbirth: A Health Workers Manual. Columbia: Peace Corps Columbia, 1979.

MLA-referens (9:e uppl.)

Hansen, Miriam, et al. Preparation for Childbirth: A Health Workers Manual. Peace Corps Columbia, 1979.