Gaya APA

Operators, S, O, I, G, T, A, T. (2008). LNG Shipping Suggested Competency Standards : Guidance and Suggested Best Practice for the LNG Industry in the 21st Century (Ed. 2). United Kingdom: Penerbit Witherby Seamanship International.

Gaya MLA

Operators, Society, Of, International, Gas, Tanker, And, Terminal. "LNG Shipping Suggested Competency Standards : Guidance and Suggested Best Practice for the LNG Industry in the 21st Century". Ed. 2 United Kingdom: Penerbit Witherby Seamanship International, 2008. Text.