APA (7e ed.) Bronvermelding

National Underwriter Company. The National underwriter (Property & casualty insurance ed.). National Underwriter Co.].

Chicago (17e ed.) Bronvermelding

National Underwriter Company. The National Underwriter. Property & casualty insurance ed. [Chicago, IL, etc.: National Underwriter Co.].

MLA (8e ed.) Bronvermelding

National Underwriter Company. The National Underwriter. Property & casualty insurance ed. National Underwriter Co.].

Let op: Deze citaties zijn niet altijd 100% accuraat.