APA (7th ed.) Zitazioa
Hamburger, P. (2002). Separation of church and state. Harvard University Press.
Chicago Style (17th ed.) Zitazioa
Hamburger, Philip. Separation of Church and State. Cambridge, MA: Harvard University Press, 2002.
MLA (9th ed.) Zitazioa
Hamburger, Philip. Separation of Church and State. Harvard University Press, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.