Gaya APA
House, D. (2005).
The Seamanship Examiner : For STCW Certification Examinations .
Oxford, Inggris ::
Elsevier,.
Gaya MLA
House, D.J..
"The Seamanship Examiner : For STCW Certification Examinations".
Oxford, Inggris ::
Elsevier,,
2005.
Sumber Elektronik.