Gaya APA

Brieger, N., Cornish, A. (1989). Secretarial contacts : communication skills for secretaries and personal assistants . New York: Prentice-Hall.

Gaya MLA

Brieger, Nick., Cornish, Anthony. "Secretarial contacts : communication skills for secretaries and personal assistants". New York: Prentice-Hall, 1989. Text.