Kumar, R. (1995). Coastal tourism and environment. A P H.
Chicago Style aipamenaKumar, Ravi. Coastal Tourism and Environment. New Delhi: A P H, 1995.
MLA aipamenaKumar, Ravi. Coastal Tourism and Environment. A P H, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.