APA (7th ed.) Zitazioa
Wellman, S. (2000). Francis and Edith Schaeffer: Defenders of the faith. Barbour Pub..
Chicago Style (17th ed.) Zitazioa
Wellman, Sam. Francis and Edith Schaeffer: Defenders of the Faith. Uhrichsville, Ohio: Barbour Pub., 2000.
MLA (9th ed.) Zitazioa
Wellman, Sam. Francis and Edith Schaeffer: Defenders of the Faith. Barbour Pub., 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.