Dyfyniad APA

Langan, J. (2003). Ten skills you really need to succeed in college. Boston: McGraw-Hill.

Dyfyniad Arddull Chicago

Langan, John. Ten Skills You Really Need to Succeed in College. Boston: McGraw-Hill, 2003.

Dyfyniad MLA

Langan, John. Ten Skills You Really Need to Succeed in College. Boston: McGraw-Hill, 2003.

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