Gaya APA
Troy, C, W, L, H, D, A. (1996).
Strategic Hotel/Motel Marketing (-).
East Lansing:
Educational Institute of the American Hotel & Motel Association.
Gaya MLA
Troy, Christopher, W., L., Hart;, David, A..
"Strategic Hotel/Motel Marketing".
-
East Lansing:
Educational Institute of the American Hotel & Motel Association,
1996.
Buku.