Dyfyniad APA

PARRAGON BOOKS. (2019). OUR WORLD INCREDIBLE BUT TRUE FACTS (2016 Ed.). PARRAGON BOOK PUBLISHERS.

Dyfyniad Arddull Chicago

PARRAGON BOOKS. OUR WORLD INCREDIBLE BUT TRUE FACTS. 2016 Ed. LONDON: PARRAGON BOOK PUBLISHERS, 2019.

Dyfyniad MLA

PARRAGON BOOKS. OUR WORLD INCREDIBLE BUT TRUE FACTS. 2016 Ed. PARRAGON BOOK PUBLISHERS, 2019.

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