Gaya APA
Danton, G.
(1996).
The Theory and Practice of Seamanship
(
Ed. 11)
.
London:
Penerbit Routledge.
Gaya MLA
Danton, Graham.
"The Theory and Practice of Seamanship".
Ed. 11
London:
Penerbit Routledge,
1996.
Text.