Penggayaan APA
RACHELS, James. (1999).
The elements of moral philosophy .
Boston Burr Ridge:
McGraw Hill.
Chicago Style
RACHELS, James.
The elements of moral philosophy.
Boston Burr Ridge:
McGraw Hill,
1999.
Buku.
MLA Style
RACHELS, James.
The elements of moral philosophy.
Boston Burr Ridge:
McGraw Hill,
1999.
Buku.
Turabian Style
RACHELS, James.
The elements of moral philosophy.
Boston Burr Ridge:
McGraw Hill,
1999.
Buku.