APA (7e ed.) Bronvermelding

HAROWITZ, I. (1972). An introduction to quantitative busines analysis (2.). McGraw-Hill.

Chicago (17e ed.) Bronvermelding

HAROWITZ, IRA. An Introduction to Quantitative Busines Analysis. 2. Rio de Janeiro: McGraw-Hill, 1972.

MLA (8e ed.) Bronvermelding

HAROWITZ, IRA. An Introduction to Quantitative Busines Analysis. 2. McGraw-Hill, 1972.