Gupta,P.K. (1999). Hand book of soil, fertilizer and manure. Agro Botanica.
Chicago Style (17th ed.) CitationGupta,P.K. Hand Book of Soil, Fertilizer and Manure. New Delhi: Agro Botanica, 1999.
MLA (9th ed.) CitationGupta,P.K. Hand Book of Soil, Fertilizer and Manure. Agro Botanica, 1999.
Warning: These citations may not always be 100% accurate.