Παραπομπή APA
Greene, M. R. (1973). Risk and insurance (3th ed.). Cincinnati: South-Western Publishing Co..
Παραπομπή Chicago StyleGreene, Mark Richard. Risk and Insurance. 3th ed. Cincinnati: South-Western Publishing Co., 1973.
Παραπομπή MLAGreene, Mark Richard. Risk and Insurance. 3th ed. Cincinnati: South-Western Publishing Co., 1973.
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