APA Style
THE CITADEL. (1979).
London:
Longman Group Limited.
Chicago Style
THE CITADEL.
.
London:
Longman Group Limited,
1979.
Buku.
MLA Style
THE CITADEL.
.
London:
Longman Group Limited,
1979.
Buku.
Turabian Style
THE CITADEL.
London:
Longman Group Limited,
1979.
Buku.