APA aipamena

Gray, A. (1961). The development of economic doctrine. John Wiley & Sons.

Chicago Style aipamena

Gray, Alexander. The Development of Economic Doctrine. New York: John Wiley & Sons, 1961.

MLA aipamena

Gray, Alexander. The Development of Economic Doctrine. John Wiley & Sons, 1961.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.