APA-referens (7:e uppl.)

Colley, J. L. (1996). Case studies in service operations. Duxbury Press.

Chicago-referens (17:e uppl.)

Colley, John L. Case Studies in Service Operations. Belmont, Calif: Duxbury Press, 1996.

MLA-referens (9:e uppl.)

Colley, John L. Case Studies in Service Operations. Duxbury Press, 1996.