Singh, I. J. (1977). Elements of farm management economics. Affiliated East West.
استشهاد بنمط شيكاغوSingh, I J. Elements of Farm Management Economics. New Delhi: Affiliated East West, 1977.
MLA استشهادSingh, I J. Elements of Farm Management Economics. Affiliated East West, 1977.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.