Kay, G. (1975). Development and underdevelopment: A Marxist analysis. U.Macmill.
Cita Chicago (17th ed.)Kay, Geoffrey. Development and Underdevelopment: A Marxist Analysis. London: U.Macmill, 1975.
Cita MLA (9th ed.)Kay, Geoffrey. Development and Underdevelopment: A Marxist Analysis. U.Macmill, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.