ALPERT, P. (1963). Economic development Objectives and methods. Free Press.
Cita Chicago (17th ed.)ALPERT, Paul. Economic Development Objectives and Methods. New York: Free Press, 1963.
Cita MLA (9th ed.)ALPERT, Paul. Economic Development Objectives and Methods. Free Press, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.