Gaya APA
Oil Tankers : A Pocket Safety Guide. (2011).
United Kingdom:
Witherby Seamanship International.
Gaya Chicago
Oil Tankers : A Pocket Safety Guide.
.
United Kingdom:
Witherby Seamanship International,
2011.
Text.
Gaya MLA
Oil Tankers : A Pocket Safety Guide.
.
United Kingdom:
Witherby Seamanship International,
2011.
Text.
Gaya Turabian
Oil Tankers : A Pocket Safety Guide.
United Kingdom:
Witherby Seamanship International,
2011.
Print.