Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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