Dyfyniad APA

BPP Learning media. (2009). Economics/BPP Learning media. Viva books.

Dyfyniad Arddull Chicago

BPP Learning media. Economics/BPP Learning Media. New Delhi: Viva books, 2009.

Dyfyniad MLA

BPP Learning media. Economics/BPP Learning Media. Viva books, 2009.

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