Odell, P. R. (1979). Oil and world power (5th ed.). Penguin.
Lua i Stíl Chicago (17ú heag.)Odell, Peter R. Oil and World Power. 5th ed. Harmondsworth ; Ringwood, Vic.: Penguin, 1979.
Lua MLA (8ú heag.)Odell, Peter R. Oil and World Power. 5th ed. Penguin, 1979.
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