Cita APA (7th ed.)

Helfert, E. (1987). Techniques of financial analysis (6th.). Universal Book Stall.

Cita Chicago (17th ed.)

Helfert, Erich. Techniques of Financial Analysis. 6th. New Delhi: Universal Book Stall, 1987.

Cita MLA (9th ed.)

Helfert, Erich. Techniques of Financial Analysis. 6th. Universal Book Stall, 1987.

Atenció: Aquestes cites poden no estar 100% correctes.