APA
Bangkok College. English Department, . (1976). Hotel course, useful vocabulary, expressions and dialogues for hotel students vol. 2. : ไม่พบสำนักพิมพ์.
Chicago
Bangkok College. English Department, . 1976. Hotel course, useful vocabulary, expressions and dialogues for hotel students vol. 2. : ไม่พบสำนักพิมพ์.
Harvard
Bangkok College. English Department, . (1976). Hotel course, useful vocabulary, expressions and dialogues for hotel students vol. 2. : ไม่พบสำนักพิมพ์.
MLA
Bangkok College. English Department, . Hotel course, useful vocabulary, expressions and dialogues for hotel students vol. 2. : ไม่พบสำนักพิมพ์. 1976.