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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Sterling, Ross S., Edward W. Kilman, و Don E. Carleton. Ross Sterling, Texan: A Memoir by the Founder of Humble Oil and Refining Company. Austin: University of Texas Press, 2007.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Sterling, Ross S., et al. Ross Sterling, Texan: A Memoir by the Founder of Humble Oil and Refining Company. University of Texas Press, 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.