WILLIAMS, C. A. (1989). Risk Management And Insurance C. Arthur Williams And Richard M. Heins. McGraw-Hill.
Chicago Style aipamenaWILLIAMS, C. Arthur. Risk Management And Insurance C. Arthur Williams And Richard M. Heins. McGraw-Hill, 1989.
MLA aipamenaWILLIAMS, C. Arthur. Risk Management And Insurance C. Arthur Williams And Richard M. Heins. McGraw-Hill, 1989.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.