APA-viite (7. p.)

Proctor, T. (2005). Essentials of marketing research (4th ed.). Financial Times/Prentice Hall.

Chicago-viite (17. p.)

Proctor, Tony. Essentials of Marketing Research. 4th ed. Harlow, England ; New York: Financial Times/Prentice Hall, 2005.

MLA-viite (8. p.)

Proctor, Tony. Essentials of Marketing Research. 4th ed. Financial Times/Prentice Hall, 2005.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.