Finnis, John, author
Oxford Univesity Press, 2011
Buku Teks
Buku Teks
Weinreb, Lloyd L.
Harvard University Press, 1987
Buku Teks
Maritain, Facques
Charles Scribner's Son's, 1943
Buku Teks
Dentreves, A.P., author
Hutchinson`s University Library, 1951
Buku Teks