Gaya APA
Butterworth, Oliver. (1973).
The Narrow Passage .
Amerika:
Little Brown and Company.
Gaya Chicago
Butterworth, Oliver.
The Narrow Passage.
Amerika:
Little Brown and Company,
1973.
Text.
Gaya MLA
Butterworth, Oliver.
The Narrow Passage.
Amerika:
Little Brown and Company,
1973.
Text.
Gaya Turabian
Butterworth, Oliver.
The Narrow Passage.
Amerika:
Little Brown and Company,
1973.
Print.