Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (9ú heag.)

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

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.