Dyfyniad APA

Competition Review. (2011). General Knowledge year book 2011. Competition Review Pvt. Ltd.

Dyfyniad Arddull Chicago

Competition Review. General Knowledge Year Book 2011. New Delhi: Competition Review Pvt. Ltd, 2011.

Dyfyniad MLA

Competition Review. General Knowledge Year Book 2011. Competition Review Pvt. Ltd, 2011.

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