Dutta, S. (1986). Soil conservation and land management. International Book Distributors.
Chicago Edition CitationDutta, S.K. Soil Conservation and Land Management. Dehra Dun: International Book Distributors, 1986.
Cita MLADutta, S.K. Soil Conservation and Land Management. International Book Distributors, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.