Dyfyniad APA

Lamberton, D. M. (1971). Economics of information and knowledge. London: Penguin.

Dyfyniad Arddull Chicago

Lamberton, D. M. Economics of Information and Knowledge. London: Penguin, 1971.

Dyfyniad MLA

Lamberton, D. M. Economics of Information and Knowledge. London: Penguin, 1971.

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