APA (7. basım) Alıntı
Helfert, E. A. (1997). Techniques of financial analysis: A practical guide to managing and measuring business performance (9th ed.). Irwin /McGraw Hill.
Chicago Style (17. basım) Atıf
Helfert, Erich A. Techniques of Financial Analysis: A Practical Guide to Managing and Measuring Business Performance. 9th ed. Boston: Irwin /McGraw Hill, 1997.
MLA (9th ed.) Atıf
Helfert, Erich A. Techniques of Financial Analysis: A Practical Guide to Managing and Measuring Business Performance. 9th ed. Irwin /McGraw Hill, 1997.
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