Gaya APA
Moore, G.E. (1971).
Principia Ethica (Cet.6).
Cambridge.:
University Press.
Gaya Chicago
Moore, G.E.
Principia Ethica.
Cet.6
Cambridge.:
University Press,
1971.
Text.
Gaya MLA
Moore, G.E.
Principia Ethica.
Cet.6
Cambridge.:
University Press,
1971.
Text.
Gaya Turabian
Moore, G.E.
Principia Ethica.
Cet.6
Cambridge.:
University Press,
1971.
Print.