APA استشهاد

Kumar, R. B. (2011). Coastal tourism and environment. APH Publishing Co..

استشهاد بنمط شيكاغو

Kumar, Ravi Bhusahn. Coastal Tourism and Environment. New Delhi: APH Publishing Co., 2011.

MLA استشهاد

Kumar, Ravi Bhusahn. Coastal Tourism and Environment. APH Publishing Co., 2011.