Cita APA (7a ed.)

Helfert, E. A. (1972). Techniques of financial analysis (3rd ed.). R. D. Irwin.

Cita Chicago Style (17a ed.)

Helfert, Erich A. Techniques of Financial Analysis. 3rd ed. Homewood, Ill.,: R. D. Irwin, 1972.

Cita MLA (8a ed.)

Helfert, Erich A. Techniques of Financial Analysis. 3rd ed. R. D. Irwin, 1972.