APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.