Dyfyniad APA

Spring, J. H. (2010). American education. Boston, Mass: McGraw-Hill.

Dyfyniad Arddull Chicago

Spring, Joel H. American Education. Boston, Mass: McGraw-Hill, 2010.

Dyfyniad MLA

Spring, Joel H. American Education. Boston, Mass: McGraw-Hill, 2010.

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