APA استشهاد

Bhardwaj, R. (2007). Mathematics for economics and business (2nd.). Excel books.

استشهاد بنمط شيكاغو

Bhardwaj, R.S. Mathematics for Economics and Business. 2nd. New Delhi: Excel books, 2007.

MLA استشهاد

Bhardwaj, R.S. Mathematics for Economics and Business. 2nd. Excel books, 2007.