APA-viite (7. p.)

Parasuraman, A. (1991). Marketing research (2a. ed.). Addison-Wesley.

Chicago-viite (17. p.)

Parasuraman, A. Marketing Research. 2a. ed. Reading: Addison-Wesley, 1991.

MLA-viite (9. p.)

Parasuraman, A. Marketing Research. 2a. ed. Addison-Wesley, 1991.