Gaya APA

Douglass, R, B, &, H, D, , (. (1997). Catholicism and liberalism: Contributions to American public philosophy. . Cambridge: Cambridge Cambridge University Press.

Gaya MLA

Douglass, R., Bruce, &, Hollenbach,, David, , (ed.). "Catholicism and liberalism: Contributions to American public philosophy. ". Cambridge: Cambridge Cambridge University Press, 1997. Buku.