Singh, S. S. (1988). Crop management ; Under Irrigated and rainfed conditions. Kalyani Publishers.
استشهاد بنمط شيكاغوSingh, S S. Crop Management ; Under Irrigated and Rainfed Conditions. Ludhiana: Kalyani Publishers, 1988.
MLA استشهادSingh, S S. Crop Management ; Under Irrigated and Rainfed Conditions. Kalyani Publishers, 1988.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.