Dyfyniad APA

Allen, J. L. (2008). Student atlas of world politics. Boston MA: McGraw-Hill.

Dyfyniad Arddull Chicago

Allen, John L. Student Atlas of World Politics. Boston MA: McGraw-Hill, 2008.

Dyfyniad MLA

Allen, John L. Student Atlas of World Politics. Boston MA: McGraw-Hill, 2008.

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