एपीए उद्धरण

Subha Rao, N. S. (1993). Biofertilizers in agriculture and forestry (3.). Oxford & IBH publishing co. pvt. ltd.

शिकागो स्टाइल उद्धरण

Subha Rao, N S. Biofertilizers in Agriculture and Forestry. 3. Newdelhi: Oxford & IBH publishing co. pvt. ltd, 1993.

एमएलए उद्धरण

Subha Rao, N S. Biofertilizers in Agriculture and Forestry. 3. Oxford & IBH publishing co. pvt. ltd, 1993.