Gaya APA
, R, W, (., (Pengarang), , A, L, K. (1987).
English for Maritime Studies (2).
United Kingdom ::
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Gaya MLA
, Ray, Wohlfarth, (Pengarang)., (Pengarang), , Anthony, L., Kohan.
"English for Maritime Studies".
2
United Kingdom ::
Prentice Hall,,
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Monograf.