Gaya APA
Llyod's Nautical Year Book 1980. (1980).
:
Malcolm Sheppard & Co.
Gaya Chicago
Llyod's Nautical Year Book 1980.
.
:
Malcolm Sheppard & Co,
1980.
Text.
Gaya MLA
Llyod's Nautical Year Book 1980.
.
:
Malcolm Sheppard & Co,
1980.
Text.
Gaya Turabian
Llyod's Nautical Year Book 1980.
:
Malcolm Sheppard & Co,
1980.
Print.