Lua APA (7ú heag.)
Helfert, E. A. (1997). Techniques of financial analysis: A practical guide to managing and measuring business performance (9th ed.). Irwin /McGraw Hill.
Lua i Stíl Chicago (17ú heag.)
Helfert, Erich A. Techniques of Financial Analysis: A Practical Guide to Managing and Measuring Business Performance. 9th ed. Boston: Irwin /McGraw Hill, 1997.
Lua MLA (9ú heag.)
Helfert, Erich A. Techniques of Financial Analysis: A Practical Guide to Managing and Measuring Business Performance. 9th ed. Irwin /McGraw Hill, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.