Gaya APA

Virts, William B.. (1987). Purchasing for Hospitality Operations / William B. Virts . Michigan :: Educational Institu of The American Hotel & Motel Association,.

Gaya Chicago

Virts, William B.. Purchasing for Hospitality Operations / William B. Virts. Michigan :: Educational Institu of The American Hotel & Motel Association,, 1987. Text.

Gaya MLA

Virts, William B.. Purchasing for Hospitality Operations / William B. Virts. Michigan :: Educational Institu of The American Hotel & Motel Association,, 1987. Text.

Gaya Turabian

Virts, William B.. Purchasing for Hospitality Operations / William B. Virts. Michigan :: Educational Institu of The American Hotel & Motel Association,, 1987. Print.