Παραπομπή APA

Gururaj, H., & Krishna, K. (1998). Science of field Crop Production. Oxford & IBH Publishing Co.Pvt.Ltd.

Παραπομπή Chicago Style

Gururaj, Hinsigi, και K.R Krishna. Science of Field Crop Production. New Delhi: Oxford & IBH Publishing Co.Pvt.Ltd, 1998.

Παραπομπή MLA

Gururaj, Hinsigi, και K.R Krishna. Science of Field Crop Production. Oxford & IBH Publishing Co.Pvt.Ltd, 1998.