Tohutoro APA (7th ed.)

Rao, N. S. (1982). Biofertilizers in agriculture. Oxford & IBH.

Tohutoru Kātū Chicago (17th ed.)

Rao, N.S. Subba. Biofertilizers in Agriculture. New Delhi: Oxford & IBH, 1982.

Tohutoro MLA (9th ed.)

Rao, N.S. Subba. Biofertilizers in Agriculture. Oxford & IBH, 1982.