APA-referens (7:e uppl.)

Drexler, M. (2003). Secret agents: The menace of emerging infections. Penguin Books.

Chicago-referens (17:e uppl.)

Drexler, Madeline. Secret Agents: The Menace of Emerging Infections. New York, N.Y: Penguin Books, 2003.

MLA-referens (9:e uppl.)

Drexler, Madeline. Secret Agents: The Menace of Emerging Infections. Penguin Books, 2003.