Gaya APA

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

Gaya MLA

Brieger, Nick., Cornish, Anthony. "Secretarial contacts : communication skills for secretaries and personal assistants". - s.l: Prentice Hall, 1989. Sekretari D3.