Gaya APA
MARPOL 73/78. 1997 and 1999 amendments. (1999).
London:
International Maritime Organization.
Gaya Chicago
MARPOL 73/78. 1997 and 1999 amendments.
.
London:
International Maritime Organization,
1999.
Text.
Gaya MLA
MARPOL 73/78. 1997 and 1999 amendments.
.
London:
International Maritime Organization,
1999.
Text.
Gaya Turabian
MARPOL 73/78. 1997 and 1999 amendments.
London:
International Maritime Organization,
1999.
Print.