APA (7th ed.) Zitazioa
Wiersbe, W. W. (1983). Lonely people. Back to the Bible.
Chicago Style (17th ed.) Zitazioa
Wiersbe, Warren W. Lonely People. Lincoln: Back to the Bible, 1983.
MLA (9th ed.) Zitazioa
Wiersbe, Warren W. Lonely People. Back to the Bible, 1983.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.