APA-referens (7:e uppl.)

Kaser, K., & Freeman, J. T. (2002). Hospitality marketing. South-Western.

Chicago-referens (17:e uppl.)

Kaser, Ken, och Jackie Todd Freeman. Hospitality Marketing. Australia: South-Western, 2002.

MLA-referens (9:e uppl.)

Kaser, Ken, och Jackie Todd Freeman. Hospitality Marketing. South-Western, 2002.