APA ציטוט

Geffner, A. B. (1991). Business letters the Easy Way. Paris: Hermes*.

Trích dẫn kiểu Chicago

Geffner, Andrea B. Business Letters the Easy Way. Paris: Hermes*, 1991.

ציטוט MLA

Geffner, Andrea B. Business Letters the Easy Way. Paris: Hermes*, 1991.