APA (7th ed.) Zitazioa
Hayden, J. (1980). Christian bookshop manager's handbook. United Society for Christian Literature.
Chicago Style (17th ed.) Zitazioa
Hayden, John. Christian Bookshop Manager's Handbook. London: United Society for Christian Literature, 1980.
MLA (9th ed.) Zitazioa
Hayden, John. Christian Bookshop Manager's Handbook. United Society for Christian Literature, 1980.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.