एपीए उद्धरण

Subudhi, R. (1993). Energy options for 21st century. Ashish.

शिकागो स्टाइल उद्धरण

Subudhi, R.N. Energy Options for 21st Century. New Delhi: Ashish, 1993.

एमएलए उद्धरण

Subudhi, R.N. Energy Options for 21st Century. Ashish, 1993.