Dyfyniad APA

PARRAGON BOOKS. (2019). THEN & NOW (2015 Ed.). PARRAGON BOOK PUBLISHERS.

Dyfyniad Arddull Chicago

PARRAGON BOOKS. THEN & NOW. 2015 Ed. LONDON: PARRAGON BOOK PUBLISHERS, 2019.

Dyfyniad MLA

PARRAGON BOOKS. THEN & NOW. 2015 Ed. PARRAGON BOOK PUBLISHERS, 2019.

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