Não informado. (2018). The Petroleum Situation. Chase Manhattan Bank, Energy Economics Division.
Lua i Stíl Chicago (17ú heag.)Não informado. The Petroleum Situation. New York: Chase Manhattan Bank, Energy Economics Division, 2018.
Lua MLA (8ú heag.)Não informado. The Petroleum Situation. Chase Manhattan Bank, Energy Economics Division, 2018.
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