KASHYAP, R. K. (2009). SOIL FERTILITY, FERTILIZER AND INTEGRATED NUTRIENT MANAGEMENT.
استشهاد بنمط شيكاغوKASHYAP, RAVINDER KUMAR. SOIL FERTILITY, FERTILIZER AND INTEGRATED NUTRIENT MANAGEMENT. JAIPUR, OXFORD, 2009.
MLA استشهادKASHYAP, RAVINDER KUMAR. SOIL FERTILITY, FERTILIZER AND INTEGRATED NUTRIENT MANAGEMENT. 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.