Dyfyniad APA

Nelson, R. R. (1982). An evolutionary theory of economic change. Cambridge, Mass: Belknap Press of Harvard University Press.

Dyfyniad Arddull Chicago

Nelson, Richard R. An Evolutionary Theory of Economic Change. Cambridge, Mass: Belknap Press of Harvard University Press, 1982.

Dyfyniad MLA

Nelson, Richard R. An Evolutionary Theory of Economic Change. Cambridge, Mass: Belknap Press of Harvard University Press, 1982.

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