Dyfyniad APA

SPRING, J. H. (2012). American education. McGraw-Hill Book Company.

Dyfyniad Arddull Chicago

SPRING, Joel H. American Education. McGraw-Hill Book Company, 2012.

Dyfyniad MLA

SPRING, Joel H. American Education. McGraw-Hill Book Company, 2012.

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