Gaya APA
Held, V. (1989).
Etika moral, pembenaran tindakan sosial. : Rights and goods, justifying social action 1984. .
Jakarta:
Erlangga.
Gaya MLA
Held, Virginia..
"Etika moral, pembenaran tindakan sosial. : Rights and goods, justifying social action 1984. ".
Jakarta:
Erlangga,
1989.
Buku.