APA (7th ed.) Zitazioa
Nelson, J. A. (2006). Economics for humans. University of Chicago Press.
Chicago Style (17th ed.) Zitazioa
Nelson, Julie A. Economics for Humans. Chicago: University of Chicago Press, 2006.
MLA (9th ed.) Zitazioa
Nelson, Julie A. Economics for Humans. University of Chicago Press, 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.