एपीए उद्धरण

Ravi Bhudhan Kumar. (1995). Coastal tourism and environment. APH.

शिकागो स्टाइल उद्धरण

Ravi Bhudhan Kumar. Coastal Tourism and Environment. New Delhi: APH, 1995.

एमएलए उद्धरण

Ravi Bhudhan Kumar. Coastal Tourism and Environment. APH, 1995.