Subba Rao, N. S. (1989). SOIL MICROORGANISMS AND PLANT GROWTH (Second Edition.). Oxford & IBH Publishing Co. Pvt. Ltd.
Cita Chicago (17th ed.)Subba Rao, N. S. SOIL MICROORGANISMS AND PLANT GROWTH. Second Edition. New Delhi: Oxford & IBH Publishing Co. Pvt. Ltd, 1989.
Cita MLA (9th ed.)Subba Rao, N. S. SOIL MICROORGANISMS AND PLANT GROWTH. Second Edition. Oxford & IBH Publishing Co. Pvt. Ltd, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.