APA-viite (7. p.)

Parmerlee, D. (1993). Preparing the marketing plan. NTC Business Books.

Chicago-viite (17. p.)

Parmerlee, David. Preparing the Marketing Plan. Lincolnwood, Ill., USA: NTC Business Books, 1993.

MLA-viite (9. p.)

Parmerlee, David. Preparing the Marketing Plan. NTC Business Books, 1993.