Singh, R. (2003). American government and politics: A concise introduction. SAGE Publications.
Citación estilo ChicagoSingh, Robert. American Government and Politics: A Concise Introduction. London ; Thousand Oaks, Calif.: SAGE Publications, 2003.
Cita MLASingh, Robert. American Government and Politics: A Concise Introduction. SAGE Publications, 2003.
Warning: These citations may not always be 100% accurate.