Singh, L. (1992). Ecomomics of Tobacco Cultivation, Production and Exchange. Deep & Deep.
استشهاد بنمط شيكاغوSingh, L.P. Ecomomics of Tobacco Cultivation, Production and Exchange. New Delhi: Deep & Deep, 1992.
MLA استشهادSingh, L.P. Ecomomics of Tobacco Cultivation, Production and Exchange. Deep & Deep, 1992.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.