Dyfyniad APA

Spring, J. (2012). American education. New York: McGraw-Hill.

Dyfyniad Arddull Chicago

Spring, Joel. American Education. New York: McGraw-Hill, 2012.

Dyfyniad MLA

Spring, Joel. American Education. New York: McGraw-Hill, 2012.

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