APA (7th ed.) Zitazioa
Kopp, R. L. (1980). Encounter with terminal illness. Zondervan.
Chicago Style (17th ed.) Zitazioa
Kopp, Ruth Lewshenia. Encounter with Terminal Illness. Michigan: Zondervan, 1980.
MLA (9th ed.) Zitazioa
Kopp, Ruth Lewshenia. Encounter with Terminal Illness. Zondervan, 1980.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.