APA aipamena

Gupta, M., & Gupta,Deepa. (2011). Research methodology. PHI learning.

Chicago Style aipamena

Gupta, Mukul, and Gupta,Deepa. Research Methodology. New Delhi: PHI learning, 2011.

MLA aipamena

Gupta, Mukul, and Gupta,Deepa. Research Methodology. PHI learning, 2011.