APA (7. basım) Alıntı

Helfert, E. A. (1967). Techniques of financial analysis (Rev. ed.). R.D. Irwin.

Chicago Style (17. basım) Atıf

Helfert, Erich A. Techniques of Financial Analysis. Rev. ed. Homewood, Ill.: R.D. Irwin, 1967.

MLA (8th ed.) Atıf

Helfert, Erich A. Techniques of Financial Analysis. Rev. ed. R.D. Irwin, 1967.