Helfert, E. a. (2007). Techniques of financial analysis: A modern approach (ninth.). Tata McGraw Hill Publ.
芝加哥风格引文Helfert, Erich a. Techniques of Financial Analysis: A Modern Approach. ninth. New delhi: Tata McGraw Hill Publ, 2007.
MLA引文Helfert, Erich a. Techniques of Financial Analysis: A Modern Approach. ninth. Tata McGraw Hill Publ, 2007.
警告：这些引文格式不一定是100％准确.