Penggayaan APA
Clayton, Robert. (1971).
Western Europe .
London:
Hart-Davis Educational.
Chicago Style
Clayton, Robert.
Western Europe.
London:
Hart-Davis Educational,
1971.
Text.
MLA Style
Clayton, Robert.
Western Europe.
London:
Hart-Davis Educational,
1971.
Text.
Turabian Style
Clayton, Robert.
Western Europe.
London:
Hart-Davis Educational,
1971.
Print.