Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (9ú heag.)

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

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.