APA引文

WILLIAMS, C., & HEINS, R. M. (1989). Risk management and insurance.-- ed.6. McGraw-Hill.

Chicago Style (17th ed.) Citation

WILLIAMS, C.Arthur, and Richard M. HEINS. Risk Management and Insurance.-- Ed.6. New York: McGraw-Hill, 1989.

MLA引文

WILLIAMS, C.Arthur, and Richard M. HEINS. Risk Management and Insurance.-- Ed.6. McGraw-Hill, 1989.