Gaya APA
Limbong, Bernhard. (2015).
POROS MARITIM (edisi 1).
Jakarta:
Margaretha Pustaka.
Gaya Chicago
Limbong, Bernhard.
POROS MARITIM.
edisi 1
Jakarta:
Margaretha Pustaka,
2015.
Text.
Gaya MLA
Limbong, Bernhard.
POROS MARITIM.
edisi 1
Jakarta:
Margaretha Pustaka,
2015.
Text.
Gaya Turabian
Limbong, Bernhard.
POROS MARITIM.
edisi 1
Jakarta:
Margaretha Pustaka,
2015.
Print.