APA-čujuhus (7. p.)

HELFERT ERICH A. (1977). TECHNIQUES OF FINANCIAL ANALYSIS (4TH.). RICHARD D.IRWIN INC.

Chicago-čujuhus (17. p.)

HELFERT ERICH A. TECHNIQUES OF FINANCIAL ANALYSIS. 4TH. ONTARIO: RICHARD D.IRWIN INC, 1977.

MLA-čujuhus (9. p.)

HELFERT ERICH A. TECHNIQUES OF FINANCIAL ANALYSIS. 4TH. RICHARD D.IRWIN INC, 1977.

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