APA aipamena

Gray,H Peter. (1985). Free trade or protection: A pragmatric analysis. Macmiollan Press.

Chicago Style aipamena

Gray,H Peter. Free Trade or Protection: A Pragmatric Analysis. London: Macmiollan Press, 1985.

MLA aipamena

Gray,H Peter. Free Trade or Protection: A Pragmatric Analysis. Macmiollan Press, 1985.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.