Gaya APA
Clark, Kenneth. (1969).
Civilisation A personal view .
London:
BBC Book.
Gaya Chicago
Clark, Kenneth.
Civilisation A personal view.
London:
BBC Book,
1969.
.
Gaya MLA
Clark, Kenneth.
Civilisation A personal view.
London:
BBC Book,
1969.
.
Gaya Turabian
Clark, Kenneth.
Civilisation A personal view.
London:
BBC Book,
1969.
.