(1955). Improving the work skills of the nation: Proceedings of a conference on skilled manpower. New York: Columbia University Press.
Παραπομπή Chicago StyleImproving the Work Skills of the Nation: Proceedings of a Conference On Skilled Manpower. New York: Columbia University Press, 1955.
Παραπομπή MLAImproving the Work Skills of the Nation: Proceedings of a Conference On Skilled Manpower. New York: Columbia University Press, 1955.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.