Gaya APA

Poynter, J, M. (1993). How to Reserach and Write a Thesis in Hospitality and Tourism . USA: John Wiley & Sons, Inc.

Gaya MLA

Poynter, James, M.. "How to Reserach and Write a Thesis in Hospitality and Tourism". USA: John Wiley & Sons, Inc, 1993. Text.