Gaya APA
Killing and letting die, ed.by Bonnie Steinbock.
.
(1980).
Englewood-Cliffs:
Prentice-Hall.
Gaya MLA
Killing and letting die, ed.by Bonnie Steinbock.
.
.
Englewood-Cliffs:
Prentice-Hall,
1980.
Buku.