HOROWITZ, I. (1972). An Introduction To Quantitative Business Analysis Ira Horowitz. McGraw-Hill.
Chicago-viite (17. p.)HOROWITZ, Ira. An Introduction To Quantitative Business Analysis Ira Horowitz. McGraw-Hill, 1972.
MLA-viite (8. p.)HOROWITZ, Ira. An Introduction To Quantitative Business Analysis Ira Horowitz. McGraw-Hill, 1972.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.