APA-čujuhus (7. p.)

HELFERT ERICH A. (1972). TECHNIQUES OF FINANCIAL ANALYSIS (3RD.). RICHARD D.IRWIN INC.

Chicago-čujuhus (17. p.)

HELFERT ERICH A. TECHNIQUES OF FINANCIAL ANALYSIS. 3RD. HOMEWOOD: RICHARD D.IRWIN INC, 1972.

MLA-čujuhus (9. p.)

HELFERT ERICH A. TECHNIQUES OF FINANCIAL ANALYSIS. 3RD. RICHARD D.IRWIN INC, 1972.

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