APA-referens (7:e uppl.)

Williamson, O. E. (1993). The nature of the firm: Origins, evolution, and development (None.). Oxford University Press.

Chicago-referens (17:e uppl.)

Williamson, Oliver E.. The Nature of the Firm: Origins, Evolution, and Development. None. New York: Oxford University Press, 1993.

MLA-referens (9:e uppl.)

Williamson, Oliver E.. The Nature of the Firm: Origins, Evolution, and Development. None. Oxford University Press, 1993.