Gaya APA

Bowie, D., Buttle, F. (2004). E-BOOK : HOSPITALITY MARKETING AN INTRODUCTION . United Kingdom: Elsevier Butterworth–Heinemann.

Gaya MLA

Bowie, David., Buttle, Francis. "E-BOOK : HOSPITALITY MARKETING AN INTRODUCTION". United Kingdom: Elsevier Butterworth–Heinemann, 2004. Text.