Helfert, E. (1987). Techniques of financial analysis (6th.). Universal Book Stall.
Chicagoスタイル(17版)引用形式Helfert, Erich. Techniques of Financial Analysis. 6th. New Delhi: Universal Book Stall, 1987.
MLA(9版)引用形式Helfert, Erich. Techniques of Financial Analysis. 6th. Universal Book Stall, 1987.
警告: この引用は必ずしも正確ではありません.