APA-referens (7:e uppl.)

Monroe, P. (1914). Principles of secondary education. Macmillan.

Chicago-referens (17:e uppl.)

Monroe, Paul. Principles of Secondary Education. New York: Macmillan, 1914.

MLA-referens (8:e uppl.)

Monroe, Paul. Principles of Secondary Education. Macmillan, 1914.