Nicholson, W. (1978). Microeconomic theory. Dryden press.
Chicago Style aipamenaNicholson, Walter. Microeconomic Theory. Illinois: Dryden press, 1978.
MLA aipamenaNicholson, Walter. Microeconomic Theory. Dryden press, 1978.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.