Premachandran.P.N, E. (2007). Benchmark soils of kerala. Agriculture Department- Soil Survey Organisation-Govt.of Kerala.
Chicago Edition CitationPremachandran.P.N, Ed. Benchmark Soils of Kerala. Thiruvananthapuram: Agriculture Department- Soil Survey Organisation-Govt.of Kerala, 2007.
Cita MLAPremachandran.P.N, Ed. Benchmark Soils of Kerala. Agriculture Department- Soil Survey Organisation-Govt.of Kerala, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.