Dyfyniad APA

Leestma, R., & Walberg, H. J. (1992). Japanese educational productivity. Center for Japanese Studies, University of Michigan.

Dyfyniad Arddull Chicago

Leestma, Robert, and Herbert J. Walberg. Japanese Educational Productivity. Ann Arbor: Center for Japanese Studies, University of Michigan, 1992.

Dyfyniad MLA

Leestma, Robert, and Herbert J. Walberg. Japanese Educational Productivity. Center for Japanese Studies, University of Michigan, 1992.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.