Dyfyniad APA

Santrock, J. W. (2009). Educational Psychology (4th ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

Santrock, John W. Educational Psychology. 4th ed. Boston: McGraw-Hill, 2009.

Dyfyniad MLA

Santrock, John W. Educational Psychology. 4th ed. McGraw-Hill, 2009.

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