Pendle, . G. (1970). South America (2nd ed.). University Press.
Cita Chicago (17th ed.)Pendle, George. South America. 2nd ed. London, Oxford: University Press, 1970.
Cita MLA (9th ed.)Pendle, George. South America. 2nd ed. University Press, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.