Cita APA

Gupta,P K. (2000). Handbook of soil , fertilizer and manure. Agro botonical publishers.

Citación estilo Chicago

Gupta,P K. Handbook of Soil , Fertilizer and Manure. Bikaner: Agro botonical publishers, 2000.

Cita MLA

Gupta,P K. Handbook of Soil , Fertilizer and Manure. Agro botonical publishers, 2000.