Bear, F. E. (1964). Chemistry of the soil (2.). Oxford & IBH publishing company.
Chicago Edition CitationBear, Firman E. Chemistry of the Soil. 2. Calcutta: Oxford & IBH publishing company, 1964.
Cita MLABear, Firman E. Chemistry of the Soil. 2. Oxford & IBH publishing company, 1964.
Atenció: Aquestes cites poden no estar 100% correctes.