Sterling, R. S., Kilman, E. W., & Carleton, D. E. (2007). Ross Sterling, Texan: A memoir by the founder of Humble Oil and Refining Company. University of Texas Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSterling, Ross S., Edward W. Kilman, और Don E. Carleton. Ross Sterling, Texan: A Memoir by the Founder of Humble Oil and Refining Company. Austin: University of Texas Press, 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSterling, Ross S., et al. Ross Sterling, Texan: A Memoir by the Founder of Humble Oil and Refining Company. University of Texas Press, 2007.
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