Gaya APA

Worsdall, V. (1976). Special english tourism book 2 : managers, agents and the agency . New York: Collier Macmillan International, Inc..

Gaya MLA

Worsdall, Vivien. "Special english tourism book 2 : managers, agents and the agency". New York: Collier Macmillan International, Inc., 1976. BUKU.