Cita APA (7th ed.)

Parmerlee, D. (1992). Preparing the marketing plan. NTC Business Books.

Cita Chicago (17th ed.)

Parmerlee, David. Preparing the Marketing Plan. Lincolnwood, Ill: NTC Business Books, 1992.

Cita MLA (9th ed.)

Parmerlee, David. Preparing the Marketing Plan. NTC Business Books, 1992.