APA (7th ed.) Zitazioa
Fromke, F. D. (1986). Life's ultimate privilege. Sure Foundation.
Chicago Style (17th ed.) Zitazioa
Fromke, F. DeVern. Life's Ultimate Privilege. Indianapolis: Sure Foundation, 1986.
MLA (9th ed.) Zitazioa
Fromke, F. DeVern. Life's Ultimate Privilege. Sure Foundation, 1986.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.