Gaya APA

Altinay, L., Paraskevas, A. (2008). E-BOOK : PLANNING RESEARCH IN HOSPITALITY AND TOURISM . USA: Elsevier Butterworth-Heinemann.

Gaya MLA

Altinay, Levent., Paraskevas, Alexandros. "E-BOOK : PLANNING RESEARCH IN HOSPITALITY AND TOURISM". USA: Elsevier Butterworth-Heinemann, 2008. Text.