Dyfyniad APA

(1978). FAI Annual review of fertiliser consumption and production 1977-78 (July-1978). The Fertiliser Association of India.

Dyfyniad Arddull Chicago

FAI Annual Review of Fertiliser Consumption and Production 1977-78 (July-1978). New Delhi: The Fertiliser Association of India, 1978.

Dyfyniad MLA

FAI Annual Review of Fertiliser Consumption and Production 1977-78 (July-1978). The Fertiliser Association of India, 1978.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.