APA (7th ed.) Zitazioa
(1978). When people pray. Overseas Missionary Fellowship.
Chicago Style (17th ed.) Zitazioa
When People Pray. Singapore: Overseas Missionary Fellowship, 1978.
MLA (9th ed.) Zitazioa
When People Pray. Overseas Missionary Fellowship, 1978.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.