United States Information Agency. American Studies Staff. (1977). American studies guidebook: A collection of selected American studies materials. USIA, American Studies Staff.
Cita Chicago Style (17a ed.)United States Information Agency. American Studies Staff. American Studies Guidebook: A Collection of Selected American Studies Materials. Washington: USIA, American Studies Staff, 1977.
Cita MLA (9a ed.)United States Information Agency. American Studies Staff. American Studies Guidebook: A Collection of Selected American Studies Materials. USIA, American Studies Staff, 1977.
Precaución: Estas citas no son 100% exactas.