APA-referens (7:e uppl.)

Nitschke, A. A., & Frye, W. (2008). Managing housekeeping operations (3.). American hotel & lodging educational institue.

Chicago-referens (17:e uppl.)

Nitschke, Aleta A., och Willam Frye. Managing Housekeeping Operations. 3. Michigan: American hotel & lodging educational institue, 2008.

MLA-referens (9:e uppl.)

Nitschke, Aleta A., och Willam Frye. Managing Housekeeping Operations. 3. American hotel & lodging educational institue, 2008.