Cita APA

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

Chicago Edition Citation

Helfert, Erich A. Techniques of Financial Analysis. 3rd ed. New York: Richard D Irvin, 1972.

Cita MLA

Helfert, Erich A. Techniques of Financial Analysis. 3rd ed. Richard D Irvin, 1972.