APA (7th ed.) Zitazioa
(2000). Down - to - earth Christianity: A manual for relief and development workers, missionaries, pastors and all Christian interested in caring for God's creation. AERD.
Chicago Style (17th ed.) Zitazioa
Down - to - Earth Christianity: A Manual for Relief and Development Workers, Missionaries, Pastors and All Christian Interested in Caring for God's Creation. Wynnewood, PA.: AERD, 2000.
MLA (9th ed.) Zitazioa
Down - to - Earth Christianity: A Manual for Relief and Development Workers, Missionaries, Pastors and All Christian Interested in Caring for God's Creation. AERD, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.