APA-viite (7. p.)

Cohen, W. A. (2001). The marketing plan (3rd ed.). John Wiley & Sons.

Chicago-viite (17. p.)

Cohen, William A. The Marketing Plan. 3rd ed. New York: John Wiley & Sons, 2001.

MLA-viite (9. p.)

Cohen, William A. The Marketing Plan. 3rd ed. John Wiley & Sons, 2001.