Gaya APA
Practical Marine Trading Letters. (1974).
Hongkong:
.
Gaya Chicago
Practical Marine Trading Letters.
.
Hongkong:
,
1974.
Text.
Gaya MLA
Practical Marine Trading Letters.
.
Hongkong:
,
1974.
Text.
Gaya Turabian
Practical Marine Trading Letters.
Hongkong:
,
1974.
Print.