APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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