APA (7e ed.) Bronvermelding

FOSTER, D. (1993). Sales And Marketing For The Travel Professional Dennis L.foster. McGraw-Hill.

Chicago (17e ed.) Bronvermelding

FOSTER, Dennis. Sales And Marketing For The Travel Professional Dennis L.foster. McGraw-Hill, 1993.

MLA (8e ed.) Bronvermelding

FOSTER, Dennis. Sales And Marketing For The Travel Professional Dennis L.foster. McGraw-Hill, 1993.

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