U.S. Information Service. The United States of America: A government by the people.
Citazione stile Chigago Style (17a edizione)U.S. Information Service. The United States of America: A Government by the People. [n.p.].
Citatione MLA (9a ed.)U.S. Information Service. The United States of America: A Government by the People.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.