Roberts, P. (2004). End of oil: The decline of the petroleum economy and the rise of a new energy order. Bloomsbury.
استشهاد بنمط شيكاغوRoberts, Paul. End of Oil: The Decline of the Petroleum Economy and the Rise of a New Energy Order. Great Britain: Bloomsbury, 2004.
MLA استشهادRoberts, Paul. End of Oil: The Decline of the Petroleum Economy and the Rise of a New Energy Order. Bloomsbury, 2004.
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