Gaya APA

Greene, M. (1987). Marketing hotels and restaurants into the 90s : a systematic approach to increasing sales (2nd ed.). New York: Van Nostrand Reinhold.

Gaya MLA

Greene, Melvyn. "Marketing hotels and restaurants into the 90s : a systematic approach to increasing sales". 2nd ed. New York: Van Nostrand Reinhold, 1987. BUKU.