Penggayaan APA
Allien, Judy, Sharon Finmark. (1972).
Ports and Harbours .
London:
Macdonald education.
Chicago Style
Allien, Judy, Sharon Finmark.
Ports and Harbours.
London:
Macdonald education,
1972.
Text.
MLA Style
Allien, Judy, Sharon Finmark.
Ports and Harbours.
London:
Macdonald education,
1972.
Text.
Turabian Style
Allien, Judy, Sharon Finmark.
Ports and Harbours.
London:
Macdonald education,
1972.
Print.