Cita APA (7th ed.)

McKENNA, R. (1991). Relationship marketing: Succesful startegies for the -age of the customer. Addison-Wesley.

Cita Chicago (17th ed.)

McKENNA, Regis. Relationship Marketing: Succesful Startegies for the -age of the Customer. New York: Addison-Wesley, 1991.

Cita MLA (9th ed.)

McKENNA, Regis. Relationship Marketing: Succesful Startegies for the -age of the Customer. Addison-Wesley, 1991.