Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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