Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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