Hicks, J. (1979). Causality in economics. New York: Basic Books.
Chicago Style aipamenaHicks, John. Causality in Economics. New York: Basic Books, 1979.
MLA aipamenaHicks, John. Causality in Economics. New York: Basic Books, 1979.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.