Tohutoro APA (7th ed.)
Williams, A. C. (1995). Risk management and insurance (7th ed.). McGraw-Hill.
Tohutoru Kātū Chicago (17th ed.)
Williams, Arthur C. Risk Management and Insurance. 7th ed. New York: McGraw-Hill, 1995.
Tohutoro MLA (9th ed.)
Williams, Arthur C. Risk Management and Insurance. 7th ed. McGraw-Hill, 1995.
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