Gaya APA
Levada, W, J. ().
Infallible Church magisterium and the natural moral law. Excerpta ex dissertatione P.U.G. .
Roma:
1971.
Gaya MLA
Levada, William,, J..
"Infallible Church magisterium and the natural moral law. Excerpta ex dissertatione P.U.G. ".
Roma:
1971,
.
Buku.