Gaya APA
Deck Watchkeeping. (2012).
Jakarta:
Pertamina Maritime Training Center.
Gaya Chicago
Deck Watchkeeping.
.
Jakarta:
Pertamina Maritime Training Center,
2012.
Text.
Gaya MLA
Deck Watchkeeping.
.
Jakarta:
Pertamina Maritime Training Center,
2012.
Text.
Gaya Turabian
Deck Watchkeeping.
Jakarta:
Pertamina Maritime Training Center,
2012.
Print.