Kumar, R. B. (2011). Coastal tourism and environment. APH Publishing Co..
Chicago Style aipamenaKumar, Ravi Bhusahn. Coastal Tourism and Environment. New Delhi: APH Publishing Co., 2011.
MLA aipamenaKumar, Ravi Bhusahn. Coastal Tourism and Environment. APH Publishing Co., 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.