Dyfyniad APA

Langan, J. (2002). English skills with readings (5th ed.). Boston, MA: McGraw-Hill.

Dyfyniad Arddull Chicago

Langan, John. English Skills With Readings. 5th ed. Boston, MA: McGraw-Hill, 2002.

Dyfyniad MLA

Langan, John. English Skills With Readings. 5th ed. Boston, MA: McGraw-Hill, 2002.

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