Dyfyniad APA
Santrock, J. W. (2011). Educational psychology (5th ed.). McGraw-Hill.
Dyfyniad Arddull Chicago
Santrock, John W. Educational Psychology. 5th ed. Boston: McGraw-Hill, 2011.
Dyfyniad MLA
Santrock, John W. Educational Psychology. 5th ed. McGraw-Hill, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.