Gupta, S. (2003). RESEARCH METHODOLOGY AND STATISTICAL TECHNIQUES. Deep & Deep Publications Pvt. Ltd.
Cita Chicago (17th ed.)Gupta, Santosh. RESEARCH METHODOLOGY AND STATISTICAL TECHNIQUES. New Delhi: Deep & Deep Publications Pvt. Ltd, 2003.
Cita MLA (9th ed.)Gupta, Santosh. RESEARCH METHODOLOGY AND STATISTICAL TECHNIQUES. Deep & Deep Publications Pvt. Ltd, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.