Dyfyniad APA

(2007). Singh, Avtar (15th ed.). Eastern Book Company.

Dyfyniad Arddull Chicago

Singh, Avtar. 15th ed. Lucknow: Eastern Book Company, 2007.

Dyfyniad MLA

Singh, Avtar. 15th ed. Eastern Book Company, 2007.

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