APA (7e ed.) Bronvermelding

Oppewal, D. (1997). Voices from the past: Reformed educators. U.P.A..

Chicago (17e ed.) Bronvermelding

Oppewal, Donald. Voices from the Past: Reformed Educators. New York: U.P.A., 1997.

MLA (9e ed.) Bronvermelding

Oppewal, Donald. Voices from the Past: Reformed Educators. U.P.A., 1997.