APA استشهاد

Singh, M., & Bhattacharya, A. (1990). Management and business policy. Discovery publishing house.

استشهاد بنمط شيكاغو

Singh, M.K, و A. Bhattacharya. Management and Business Policy. New Delhi: Discovery publishing house, 1990.

MLA استشهاد

Singh, M.K, و A. Bhattacharya. Management and Business Policy. Discovery publishing house, 1990.