Gaya APA

International, W, S. (2008). LNG Shipping Knowledge Underpinning Knowledge Underpinning Knowledge to the SIGTTO 2005 Standards Volume 2 (2). : Witherby Seamanship International.

Gaya MLA

International, Witherby, Seamanship. "LNG Shipping Knowledge Underpinning Knowledge Underpinning Knowledge to the SIGTTO 2005 Standards Volume 2". 2 : Witherby Seamanship International, 2008. Text.