ZASK EZRA. (2000). GLOBAL INVESTMENT RISK MANAGEMENT. MCGRAW-HILL.
Cita Chicago (17th ed.)ZASK EZRA. GLOBAL INVESTMENT RISK MANAGEMENT. NEW YORK: MCGRAW-HILL, 2000.
Cita MLA (9th ed.)ZASK EZRA. GLOBAL INVESTMENT RISK MANAGEMENT. MCGRAW-HILL, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.