Dyfyniad APA

Murphy, R. (1958). How and Where to Look it Up. McGraw-Hill.

Dyfyniad Arddull Chicago

Murphy, Robert. How and Where to Look It Up. new York: McGraw-Hill, 1958.

Dyfyniad MLA

Murphy, Robert. How and Where to Look It Up. McGraw-Hill, 1958.

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