Gaya APA
Keyes, Marian.. (2006).
Anybody out there? .
London:
Penguin Group.
Gaya Chicago
Keyes, Marian..
Anybody out there?.
London:
Penguin Group,
2006.
Buku.
Gaya MLA
Keyes, Marian..
Anybody out there?.
London:
Penguin Group,
2006.
Buku.
Gaya Turabian
Keyes, Marian..
Anybody out there?.
London:
Penguin Group,
2006.
Buku.