APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.