APA (7e ed.) Bronvermelding
Sandy, R. (1990). Statistics for business and economics. McGraw-Hill.
Chicago (17e ed.) Bronvermelding
Sandy, Robert. Statistics for Business and Economics. New Yourk: McGraw-Hill, 1990.
MLA (9e ed.) Bronvermelding
Sandy, Robert. Statistics for Business and Economics. McGraw-Hill, 1990.
Let op: Deze citaties zijn niet altijd 100% accuraat.