Gaya APA

Wordsall, V. (1979). Special english for hotel personnel, book 1 : office managers, clerk, cashiers, telephone operators . New York: Macmillan International, Inc..

Gaya MLA

Wordsall, Vivien. "Special english for hotel personnel, book 1 : office managers, clerk, cashiers, telephone operators". New York: Macmillan International, Inc., 1979. BUKU.