APA সাইটেশন

SUBUDHI N R. (1993). ENERGY OPTIONS FOR 21ST CENTURY. ASHISH PUBLISHING HOUSE.

শিকাগো স্টাইলে সাইটেশন

SUBUDHI N R. ENERGY OPTIONS FOR 21ST CENTURY. NEW DELHI: ASHISH PUBLISHING HOUSE, 1993.

এমএলএ সাইটেশন

SUBUDHI N R. ENERGY OPTIONS FOR 21ST CENTURY. ASHISH PUBLISHING HOUSE, 1993.