APA (7th ed.) Zitazioa
Billheimer, P. E. (1977). Don't waste your sorrows: A study in sainthood and suffering. CLC.
Chicago Style (17th ed.) Zitazioa
Billheimer, Paul E. Don't Waste Your Sorrows: A Study in Sainthood and Suffering. Fort Washington: CLC, 1977.
MLA (9th ed.) Zitazioa
Billheimer, Paul E. Don't Waste Your Sorrows: A Study in Sainthood and Suffering. CLC, 1977.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.