Agriculture Department, Govt of Kerala, & Soil Survey Organisation. (2007). Bench Mark Soils Of Kerala.
シカゴスタイル引用形Agriculture Department, Govt of Kerala, , Soil Survey Organisation. Bench Mark Soils Of Kerala. Tiruvanathapuram, Govt Of Kerala, 2007.
MLA引用形式Agriculture Department, et al. Bench Mark Soils Of Kerala. 2007.
警告: この引用は必ずしも正確ではありません.