Gaya APA
Entrèves, A. (1967).
Natural law, an introduction to legal philosophy, [repr.]. - Hutchinson University Library, 71. Tjet.pertama 1951. .
London:
Hutchinson.
Gaya MLA
Entrèves, A.P.d'..
"Natural law, an introduction to legal philosophy, [repr.]. - Hutchinson University Library, 71. Tjet.pertama 1951. ".
London:
Hutchinson,
1967.
Buku.