APA-referens (7:e uppl.)

Zeithami, V. &. O. (2012). Service marketing (5 th.).

Chicago-referens (17:e uppl.)

Zeithami, Valarie & Others. Service Marketing. 5 th. Delhi, 2012.

MLA-referens (9:e uppl.)

Zeithami, Valarie & Others. Service Marketing. 5 th. 2012.