Gaya APA

SIGTTO, . (2010). Liquefied Gas Fire Hazard Management (Ed. 1). United Kingdom: Penerbit Witherby Seamanship International.

Gaya MLA

SIGTTO, . "Liquefied Gas Fire Hazard Management". Ed. 1 United Kingdom: Penerbit Witherby Seamanship International, 2010. Text.