Cita APA (7th ed.)
Powelson, J. P. Latin America: Today's Economic and Social Revolution. McGraw-Hill.
Cita Chicago (17th ed.)
Powelson, John P. Latin America: Today's Economic and Social Revolution. Nueva York, EUA: McGraw-Hill.
Cita MLA (9th ed.)
Powelson, John P. Latin America: Today's Economic and Social Revolution. McGraw-Hill.
Atenció: Aquestes cites poden no estar 100% correctes.