Arab Petroleum Congress Beirut & League of Arab States. (1963). Congress papers: Organized by the Secretarial General of the League of Arab States.
Chicago-referens (17:e uppl.)Arab Petroleum Congress Beirut och League of Arab States. Congress Papers: Organized by the Secretarial General of the League of Arab States. Cairo, Beirut, etc, 1963.
MLA-referens (8:e uppl.)Arab Petroleum Congress Beirut och League of Arab States. Congress Papers: Organized by the Secretarial General of the League of Arab States. 1963.
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