Gaya APA
Rachels, J.
(1987).
The end of life, Euthanasia and morality. Cet.pertama 1986.
.
Oxfort dsl:
Oxford UP.
Gaya MLA
Rachels, James..
"The end of life, Euthanasia and morality. Cet.pertama 1986. ".
Oxfort dsl:
Oxford UP,
1987.
Buku.