Gupta, S. C. :. I. G. (2012). Business statistics (5 ed.). Himalaya Publishing House.
Chicago Edition CitationGupta, S C : Indra Gupta. Business Statistics. 5 ed. Himalaya Publishing House, 2012.
Cita MLAGupta, S C : Indra Gupta. Business Statistics. 5 ed. Himalaya Publishing House, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.