Tyagi, V. (2008). Food and beverage services in hotels. Cybertech.
Chicago Style aipamenaTyagi, Vijay. Food and Beverage Services in Hotels. New Delhi: Cybertech, 2008.
MLA aipamenaTyagi, Vijay. Food and Beverage Services in Hotels. Cybertech, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.