APA-viite (7. p.)

Cowell, D. W. (1993). Services marketing (3rd ed.). Butterworth-Heinemann.

Chicago-viite (17. p.)

Cowell, Donald W. Services Marketing. 3rd ed. Oxford: Butterworth-Heinemann, 1993.

MLA-viite (9. p.)

Cowell, Donald W. Services Marketing. 3rd ed. Butterworth-Heinemann, 1993.