APA aipamena

Dworkin, R. (2011). Justice for hedgehogs. Belknap Press of Harvard University Press.

Chicago Style aipamena

Dworkin, Ronald. Justice for Hedgehogs. Cambridge, Mass.: Belknap Press of Harvard University Press, 2011.

MLA aipamena

Dworkin, Ronald. Justice for Hedgehogs. Belknap Press of Harvard University Press, 2011.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.