Παραπομπή APA

Peterson Donald. (2015). Encyclopedia of Tourism: Industrial Strategies. Clanrye International.

Παραπομπή Chicago Style

Peterson Donald. Encyclopedia of Tourism: Industrial Strategies. USA: Clanrye International, 2015.

Παραπομπή MLA

Peterson Donald. Encyclopedia of Tourism: Industrial Strategies. Clanrye International, 2015.