APA (7th ed.) Zitazioa
Stowers Stanley K. (1986). Letter writing in Greco-Roman antiquity. Westminster Press.
Chicago Style (17th ed.) Zitazioa
Stowers Stanley K. Letter Writing in Greco-Roman Antiquity. Philadelphia: Westminster Press, 1986.
MLA (9th ed.) Zitazioa
Stowers Stanley K. Letter Writing in Greco-Roman Antiquity. Westminster Press, 1986.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.