APA-čujuhus (7. p.)

Abbey,James. Hospitality sales & marketing (4.). The American Hotel & lodging Education Institute.

Chicago-čujuhus (17. p.)

Abbey,James. Hospitality Sales & Marketing. 4. Michigan: The American Hotel & lodging Education Institute.

MLA-čujuhus (9. p.)

Abbey,James. Hospitality Sales & Marketing. 4. The American Hotel & lodging Education Institute.

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