Agriculture Department, Govt of Kerala, & Soil Survey Organisation. (2007). Bench Mark Soils Of Kerala.
استشهاد بنمط شيكاغوAgriculture Department, Govt of Kerala, و Soil Survey Organisation. Bench Mark Soils Of Kerala. Tiruvanathapuram, Govt Of Kerala, 2007.
MLA استشهادAgriculture Department, et al. Bench Mark Soils Of Kerala. 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.