Ashraf, S. (1998). Basic quantitative methods for economics and business. CADPLAN Pub.
Chicago (17e ed.) BronvermeldingAshraf, Shahid. Basic Quantitative Methods for Economics and Business. New delhi: CADPLAN Pub, 1998.
MLA (9e ed.) BronvermeldingAshraf, Shahid. Basic Quantitative Methods for Economics and Business. CADPLAN Pub, 1998.
Let op: Deze citaties zijn niet altijd 100% accuraat.