APA-referens (7:e uppl.)
Helfert, E. A. (1997). Techniques of financial analysis: A practical guide to managing and measuring business performance (9th ed.). Irwin /McGraw Hill.
Chicago-referens (17:e uppl.)
Helfert, Erich A. Techniques of Financial Analysis: A Practical Guide to Managing and Measuring Business Performance. 9th ed. Boston: Irwin /McGraw Hill, 1997.
MLA-referens (9:e uppl.)
Helfert, Erich A. Techniques of Financial Analysis: A Practical Guide to Managing and Measuring Business Performance. 9th ed. Irwin /McGraw Hill, 1997.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.