APA način citiranja (7. izdanje)

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

Čikaški stil citiranja (17. izdanje)

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

MLA način citiranja (8. izdanje)

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