United States Information Agency. (1999). Information USA [computer file]. United States Information Agency.
Style de citation Chicago (17e éd.)United States Information Agency. Information USA [computer File]. s.l: United States Information Agency, 1999.
Style de citation MLA (9e éd.)United States Information Agency. Information USA [computer File]. United States Information Agency, 1999.
Attention : ces citations peuvent ne pas être correctes à 100%.