Ginzberg, E., & Smith, H. A. (1967). Manpower strategy for developing countries: Lessons from Ethiopia. Columbia University Press.

Ginzberg, Eli, and Herbert A. Smith. Manpower Strategy for Developing Countries: Lessons from Ethiopia. New York: Columbia University Press, 1967.

Ginzberg, Eli, and Herbert A. Smith. Manpower Strategy for Developing Countries: Lessons from Ethiopia. Columbia University Press, 1967.