APA (7th ed.) Zitazioa
ebrary, Inc, Rosalino, L. M., Silva, A., & Abreu, T. (2012). New trends towards Mediterranean tourism sustainability. Nova Science Publishers, Inc..
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, Luís M. Rosalino, Alexandra Silva, eta Toño Abreu. New Trends Towards Mediterranean Tourism Sustainability. Hauppauge, N.Y.: Nova Science Publishers, Inc., 2012.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. New Trends Towards Mediterranean Tourism Sustainability. Nova Science Publishers, Inc., 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.