APA aipamena

Vellas, F. (1995). International tourism: An economic perspective. Basingstoke: Macmillan Business.

Chicago Style aipamena

Vellas, Francois. International Tourism: An Economic Perspective. Basingstoke: Macmillan Business, 1995.

MLA aipamena

Vellas, Francois. International Tourism: An Economic Perspective. Basingstoke: Macmillan Business, 1995.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.