Bhardwaj, R. (2013). Mathematics and statistics for business. Excel Books.
Lua i Stíl Chicago (17ú heag.)Bhardwaj, R.S. Mathematics and Statistics for Business. New Delhi: Excel Books, 2013.
Lua MLA (9ú heag.)Bhardwaj, R.S. Mathematics and Statistics for Business. Excel Books, 2013.
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