HELFERT ERICH A. (1988). TECHNIQUES OF FINANCIAL ANALYSIS (6.). UNIVERSAL BOOKS.
Chicago Style (17th ed.) CitationHELFERT ERICH A. TECHNIQUES OF FINANCIAL ANALYSIS. 6. NEW DELHI: UNIVERSAL BOOKS, 1988.
MLA引文HELFERT ERICH A. TECHNIQUES OF FINANCIAL ANALYSIS. 6. UNIVERSAL BOOKS, 1988.
警告:這些引文格式不一定是100%准確.