Gaya APA
Niebuhr, R. (-1963).
Moral man and immoral society, a study in ethics and politics, (repr.). Tjet.pertama 1932. .
London:
SCM Press.
Gaya MLA
Niebuhr, R..
"Moral man and immoral society, a study in ethics and politics, (repr.). Tjet.pertama 1932. ".
London:
SCM Press,
-1963.
Buku.