Gaya APA

Williams, C. Arthur, Heins, Richard M.. (1989). Risk management and insurance (6th ed). New York: McGraw Hill.

Gaya Chicago

Williams, C. Arthur, Heins, Richard M.. Risk management and insurance. 6th ed New York: McGraw Hill, 1989. Text.

Gaya MLA

Williams, C. Arthur, Heins, Richard M.. Risk management and insurance. 6th ed New York: McGraw Hill, 1989. Text.

Gaya Turabian

Williams, C. Arthur, Heins, Richard M.. Risk management and insurance. 6th ed New York: McGraw Hill, 1989. Print.