Dyfyniad APA

(1998). Engines of Prosperity. Imperial College Press.

Dyfyniad Arddull Chicago

Engines of Prosperity. Imperial College Press, 1998.

Dyfyniad MLA

Engines of Prosperity. Imperial College Press, 1998.

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