एपीए उद्धरण

Gupta, A., & Sarkar, S. (1997). System analysis, data processing and quantitative techniques. Galgotia publications.

शिकागो स्टाइल उद्धरण

Gupta, A.K, और S.K Sarkar. System Analysis, Data Processing and Quantitative Techniques. New delhi: Galgotia publications, 1997.

एमएलए उद्धरण

Gupta, A.K, और S.K Sarkar. System Analysis, Data Processing and Quantitative Techniques. Galgotia publications, 1997.