Greenfield, H. I. (1966). Manpower and the growth of producer services. New York: Columbia University Press.
Chicago Style CitationGreenfield, Harry I. Manpower and the Growth of Producer Services. New York: Columbia University Press, 1966.
Cita MLAGreenfield, Harry I. Manpower and the Growth of Producer Services. New York: Columbia University Press, 1966.
Atenció: Aquestes cites poden no estar 100% correctes.