APA (7e ed.) Bronvermelding

United States Information Agency. Research Service. R. The Service.

Chicago (17e ed.) Bronvermelding

United States Information Agency. Research Service. R. [Washington]: The Service.

MLA (8e ed.) Bronvermelding

United States Information Agency. Research Service. R. The Service.

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