Παραπομπή APA
Society of International Gas Tanker and Terminal Operators. (1998). Port information questionnaire for liquefied gas terminals. London: Witherby.
Παραπομπή Chicago StyleSociety of International Gas Tanker and Terminal Operators. Port Information Questionnaire for Liquefied Gas Terminals. London: Witherby, 1998.
Παραπομπή MLASociety of International Gas Tanker and Terminal Operators. Port Information Questionnaire for Liquefied Gas Terminals. London: Witherby, 1998.
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