APA aipamena

Makin, J. H. (1993). Output: National bureau of economic research. U.S.A: National Bureau of Economic Research.

Chicago Style aipamena

Makin, Johon H. Output: National Bureau of Economic Research. U.S.A: National Bureau of Economic Research, 1993.

MLA aipamena

Makin, Johon H. Output: National Bureau of Economic Research. U.S.A: National Bureau of Economic Research, 1993.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.