Gaya APA

GARTSIDE, L. (1981). Model business letters : a classified selection of modern business letters for use in schools and in business / L Gartside (ed. 3). London: English Language Book Society and Mc Donald and Evans.

Gaya MLA

GARTSIDE, L. "Model business letters : a classified selection of modern business letters for use in schools and in business / L Gartside". ed. 3 London: English Language Book Society and Mc Donald and Evans, 1981. Text.