Gaya APA
Ocean Shipping. (1977).
Cambridge, Maryland:
Cornell Maritime Press.
Gaya Chicago
Ocean Shipping.
.
Cambridge, Maryland:
Cornell Maritime Press,
1977.
Text.
Gaya MLA
Ocean Shipping.
.
Cambridge, Maryland:
Cornell Maritime Press,
1977.
Text.
Gaya Turabian
Ocean Shipping.
Cambridge, Maryland:
Cornell Maritime Press,
1977.
Print.