Παραπομπή APA

Singh, M., & Battacharya. (1990). Management information systems. Discovery publishing house.

Παραπομπή Chicago Style

Singh, M.K, και Battacharya. Management Information Systems. New Delhi: Discovery publishing house, 1990.

Παραπομπή MLA

Singh, M.K, και Battacharya. Management Information Systems. Discovery publishing house, 1990.