APA (7e ed.) Bronvermelding

Helfert, E. a. (2007). Techniques of financial analysis: A modern approach (ninth.). Tata McGraw Hill Publ.

Chicago (17e ed.) Bronvermelding

Helfert, Erich a. Techniques of Financial Analysis: A Modern Approach. ninth. New delhi: Tata McGraw Hill Publ, 2007.

MLA (9e ed.) Bronvermelding

Helfert, Erich a. Techniques of Financial Analysis: A Modern Approach. ninth. Tata McGraw Hill Publ, 2007.