Gupta, S. L., & Gupta, H. (2012). Business research methods. Tata McGraw-Hill.
Chicago Edition CitationGupta, S. L., i Hitesh Gupta. Business Research Methods. New Delhi: Tata McGraw-Hill, 2012.
Cita MLAGupta, S. L., i Hitesh Gupta. Business Research Methods. Tata McGraw-Hill, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.