Widener, P. (2011). Oil injustice: Resisting and conceding a pipeline in Ecuador. Rowman & Littlefield Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWidener, Patricia. Oil Injustice: Resisting and Conceding a Pipeline in Ecuador. Lanham, Md.: Rowman & Littlefield Publishers, 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWidener, Patricia. Oil Injustice: Resisting and Conceding a Pipeline in Ecuador. Rowman & Littlefield Publishers, 2011.
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