APA (7th ed.) Zitazioa
Koppelman, A. (2013). Defending American religious neutrality. Harvard University Press.
Chicago Style (17th ed.) Zitazioa
Koppelman, Andrew. Defending American Religious Neutrality. Cambridge, Mass.: Harvard University Press, 2013.
MLA (9th ed.) Zitazioa
Koppelman, Andrew. Defending American Religious Neutrality. Harvard University Press, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.