Style de citation APA (7e éd.)

Vrat, P., & Sardana, G. S. (1998). Productivity management: A system approach. Narosa Publishing House.

Style de citation Chicago (17e éd.)

Vrat, Prem, et G.D. Sahay Sardana. Productivity Management: A System Approach. New Delhi: Narosa Publishing House, 1998.

Style de citation MLA (8e éd.)

Vrat, Prem, et G.D. Sahay Sardana. Productivity Management: A System Approach. Narosa Publishing House, 1998.