Cofnodi Dyfyniadau
Dyfyniad APA
Charles, C., & Barr, K. B. (1992). Building classroom discipline (4th.ed.). Longman.
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Dyfyniad Arddull Chicago
Charles, C.M, and Karen Blaine Barr. Building Classroom Discipline. 4th.ed. New York: Longman, 1992.
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Dyfyniad MLA
Charles, C.M, and Karen Blaine Barr. Building Classroom Discipline. 4th.ed. Longman, 1992.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.