APA-referens (7:e uppl.)

Scher, J. (1985). Pregnancy everything you need to know. penguin Books.

Chicago-referens (17:e uppl.)

Scher, Jonathan. Pregnancy Everything You Need to Know. Great Britain: penguin Books, 1985.

MLA-referens (8:e uppl.)

Scher, Jonathan. Pregnancy Everything You Need to Know. penguin Books, 1985.