Gupta,N S, & Singh,Amarjit. (1979). Agricultural development of states in India. Seema Publications.
استشهاد بنمط شيكاغوGupta,N S, و Singh,Amarjit. Agricultural Development of States in India. New Delhi: Seema Publications, 1979.
MLA استشهادGupta,N S, و Singh,Amarjit. Agricultural Development of States in India. Seema Publications, 1979.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.