Dyfyniad APA

(2001). Taking sides. Boston: McGraw-Hill Higher Education.

Dyfyniad Arddull Chicago

Taking Sides. Boston: McGraw-Hill Higher Education, 2001.

Dyfyniad MLA

Taking Sides. Boston: McGraw-Hill Higher Education, 2001.

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