National Underwriter Company. (1986). National underwriter (Life, health/financial services ed.). National Underwriter Co..
Cita Chicago Style (17a ed.)National Underwriter Company. National Underwriter. Life, health/financial services ed. [Cincinnati, OH: National Underwriter Co., 1986.
Cita MLA (8a ed.)National Underwriter Company. National Underwriter. Life, health/financial services ed. National Underwriter Co., 1986.
Precaución: Estas citas no son 100% exactas.