Bhardwaj, R. (2007). Mathematics for economics and business (2nd.). Excel books.
Παραπομπή Chicago StyleBhardwaj, R.S. Mathematics for Economics and Business. 2nd. New Delhi: Excel books, 2007.
Παραπομπή MLABhardwaj, R.S. Mathematics for Economics and Business. 2nd. Excel books, 2007.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.