Brown, W. B. (1960). United States history: A bridge to the world of ideas. American Historical Assoc., Service Center for Teachers of History.
Citazione stile Chigago Style (17a edizione)Brown, W. Burlie. United States History: A Bridge to the World of Ideas. Washington, DC: American Historical Assoc., Service Center for Teachers of History, 1960.
Citatione MLA (9a ed.)Brown, W. Burlie. United States History: A Bridge to the World of Ideas. American Historical Assoc., Service Center for Teachers of History, 1960.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.