Cita APA (7th ed.)

Morris, S., & Willcocks, G. (2000). Great business letters in a week. Hodder & Stoughton.

Cita Chicago (17th ed.)

Morris, Steve, i Graham Willcocks. Great Business Letters in a Week. London: Hodder & Stoughton, 2000.

Cita MLA (8th ed.)

Morris, Steve, i Graham Willcocks. Great Business Letters in a Week. Hodder & Stoughton, 2000.