Gaya APA

Swanson, C, P., Kasavana, M, L. (1978). Hotel information systems a contenporary approach to front office ì procedures . Boston: Boston: CBI; 1978.

Gaya MLA

Swanson, Carl, P.., Kasavana, Michael, L. "Hotel information systems a contenporary approach to front office ì procedures". Boston: Boston: CBI; 1978, 1978. Text.