APA-referens (7:e uppl.)

Yadava, k. (2005). Services marketing (1st.). Arise Publishers & Distributors.

Chicago-referens (17:e uppl.)

Yadava, kamal. Services Marketing. 1st. New Delhi: Arise Publishers & Distributors, 2005.

MLA-referens (9:e uppl.)

Yadava, kamal. Services Marketing. 1st. Arise Publishers & Distributors, 2005.