Abbey,James. Hospitality sales & marketing (4.). The American Hotel & lodging Education Institute.
Čikaški stil citiranja (17. izdanje)Abbey,James. Hospitality Sales & Marketing. 4. Michigan: The American Hotel & lodging Education Institute.
MLA način citiranja (9. izdanje)Abbey,James. Hospitality Sales & Marketing. 4. The American Hotel & lodging Education Institute.
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