APA
(1977). Fertilizer production in India (as on 1.10.1977). New Delhi (India): The Fertilizer Association of India.
Chicago
1977. Fertilizer production in India (as on 1.10.1977). New Delhi (India): The Fertilizer Association of India.
Harvard
(1977). Fertilizer production in India (as on 1.10.1977). New Delhi (India): The Fertilizer Association of India.
MLA
Fertilizer production in India (as on 1.10.1977). New Delhi (India): The Fertilizer Association of India. 1977.