APA (7e ed.) Bronvermelding

Purpel, D. E. (1999). Moral outrage in education. P. Lang.

Chicago (17e ed.) Bronvermelding

Purpel, David E. Moral Outrage in Education. New York: P. Lang, 1999.

MLA (9e ed.) Bronvermelding

Purpel, David E. Moral Outrage in Education. P. Lang, 1999.