Gaya APA

(PhD), M, N. (2005). E-BOOK : NICHE TOURISM - Contemporary issues, trends and cases . USA: Elsevier Butterworth-Heinemann.

Gaya MLA

(PhD), Marina, Novelli. "E-BOOK : NICHE TOURISM - Contemporary issues, trends and cases". USA: Elsevier Butterworth-Heinemann, 2005. Text.