Dyfyniad APA

Smith, D. (2003). Free liunch: Easily digestable economics, served on plate.

Dyfyniad Arddull Chicago

Smith, David. Free Liunch: Easily Digestable Economics, Served on Plate. London, 2003.

Dyfyniad MLA

Smith, David. Free Liunch: Easily Digestable Economics, Served on Plate. 2003.

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