Biju, M. (2006). Sustainable dimensions of tourism management. Mittal.
Chicago Style aipamenaBiju, M.R. Sustainable Dimensions of Tourism Management. New Delhi: Mittal, 2006.
MLA aipamenaBiju, M.R. Sustainable Dimensions of Tourism Management. Mittal, 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.