ZASK EZRA. (2000). GLOBAL INVESTMENT RISK MANAGEMENT. MCGRAW-HILL.
Chicago Style aipamenaZASK EZRA. GLOBAL INVESTMENT RISK MANAGEMENT. NEW YORK: MCGRAW-HILL, 2000.
MLA aipamenaZASK EZRA. GLOBAL INVESTMENT RISK MANAGEMENT. MCGRAW-HILL, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.