APA Style
Transportasi Laut Dan Pipa Trb 90Th Annual Meeting Final Program 2011. (2011).
WashingtonD.C:
Transportasi Research Board.
MLA Style
Transportasi Laut Dan Pipa Trb 90Th Annual Meeting Final Program 2011.
.
WashingtonD.C:
Transportasi Research Board,
2011.
Text.