Gaya APA
Frankena, William K.. (1973).
Ethics (2).
:
Prentice-Hall.
Gaya Chicago
Frankena, William K..
Ethics.
2
:
Prentice-Hall,
1973.
Non Fiction.
Gaya MLA
Frankena, William K..
Ethics.
2
:
Prentice-Hall,
1973.
Non Fiction.
Gaya Turabian
Frankena, William K..
Ethics.
2
:
Prentice-Hall,
1973.
Non Fiction.