Valletutti, P. J. (1979). Individuslizing educational objectives and Programs: A modular approach. University park Pr..
Dyfyniad Arddull ChicagoValletutti, Peter J. Individuslizing Educational Objectives and Programs: A Modular Approach. Baltimore: University park Pr., 1979.
Dyfyniad MLAValletutti, Peter J. Individuslizing Educational Objectives and Programs: A Modular Approach. University park Pr., 1979.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.