National Research Council (U.S.). Board on International Comparative Studies in Education, Guthrie, J. W., Hansen, J. S., & Kirst, M. W. (1995). Worldwide education statistics: Enhancing Unesco's role. National Academy Press.
Dyfyniad Arddull ChicagoNational Research Council (U.S.). Board on International Comparative Studies in Education, James W. Guthrie, Janet S. Hansen, and Michael W. Kirst. Worldwide Education Statistics: Enhancing Unesco's Role. Washington, D.C.: National Academy Press, 1995.
Dyfyniad MLANational Research Council (U.S.). Board on International Comparative Studies in Education, et al. Worldwide Education Statistics: Enhancing Unesco's Role. National Academy Press, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.