Gaya APA
Laut, D, -, D, P.
(2010).
Ro-ro safety and cargo operations
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DJP - Dirjend Perhubungan Laut.
Gaya MLA
Laut, DJP, -, Dirjend, Perhubungan.
"Ro-ro safety and cargo operations".
:
DJP - Dirjend Perhubungan Laut,
2010.
CD-ROM.