Besson, T. (1996). Cover letters (2nd ed.). Wiley.
Chicago Style aipamenaBesson, Taunee. Cover Letters. 2nd ed. New York: Wiley, 1996.
MLA aipamenaBesson, Taunee. Cover Letters. 2nd ed. Wiley, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.