Dyfyniad APA

Ornstein, A. C. (1997). Foundations of education (6th.ed.). Houghton Mifflin.

Dyfyniad Arddull Chicago

Ornstein, Allan C. Foundations of Education. 6th.ed. Boston: Houghton Mifflin, 1997.

Dyfyniad MLA

Ornstein, Allan C. Foundations of Education. 6th.ed. Houghton Mifflin, 1997.

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