Prais, S. J. (1995). Productivity, education, and training: An international perspective. Cambridge University Press.
Dyfyniad Arddull ChicagoPrais, S. J. Productivity, Education, and Training: An International Perspective. Cambridge [England] ; New York: Cambridge University Press, 1995.
Dyfyniad MLAPrais, S. J. Productivity, Education, and Training: An International Perspective. Cambridge University Press, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.