Gaya APA

Lundberg, D, E., Armatas, J, P. (1975). The management of people in hotels, restaurants, and clubs (3rd ed.). Dubuque, Iowa: WM. C. Brown Company Publishers.

Gaya MLA

Lundberg, Donald, E.., Armatas, James, P.. "The management of people in hotels, restaurants, and clubs". 3rd ed. Dubuque, Iowa: WM. C. Brown Company Publishers, 1975. BUKU.