APA aipamena

Krishna ,K.R. (2002). Soil fertility and Crop Production. Oxford & IBH Publishing Co. PVT.Ltd.

Chicago Style aipamena

Krishna ,K.R. Soil Fertility and Crop Production. New Delhi: Oxford & IBH Publishing Co. PVT.Ltd, 2002.

MLA aipamena

Krishna ,K.R. Soil Fertility and Crop Production. Oxford & IBH Publishing Co. PVT.Ltd, 2002.