APA

Helfert (Erich A), . (2004). Techniques of Financial Analysis (A Modern Approach). : .

Chicago

Helfert (Erich A), . 2004. Techniques of Financial Analysis (A Modern Approach). : .

Harvard

Helfert (Erich A), . (2004). Techniques of Financial Analysis (A Modern Approach). : .

MLA

Helfert (Erich A), . Techniques of Financial Analysis (A Modern Approach). : . 2004.