Dyfyniad APA
Davis, G. A. (1983). Educational psychology: Theory and practice. Addison-Wesley.
Dyfyniad Arddull Chicago
Davis, Gary A. Educational Psychology: Theory and Practice. Reading, Mass.: Addison-Wesley, 1983.
Dyfyniad MLA
Davis, Gary A. Educational Psychology: Theory and Practice. Addison-Wesley, 1983.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.