Gaya APA

M.A., D, H, S, R, H. (1992). English For Spesific Purposes Tourism; . Jakarta: Dian Rakyat.

Gaya MLA

M.A., Dra., H., Sofia, Rangkuti, H.. "English For Spesific Purposes Tourism;". Jakarta: Dian Rakyat, 1992. Text.