Dyfyniad APA

Seminar on Fertilisers in India in the Seventies Delhi, Fertiliser Association of India, & Alexander, T. M. (1973). Proceedings of the Seminar .. Fertiliser Association of India.

Dyfyniad Arddull Chicago

Seminar on Fertilisers in India in the Seventies Delhi, Fertiliser Association of India, and T. M. Alexander. Proceedings of the Seminar .. New Delhi: Fertiliser Association of India, 1973.

Dyfyniad MLA

Seminar on Fertilisers in India in the Seventies Delhi, et al. Proceedings of the Seminar .. Fertiliser Association of India, 1973.

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