Steele, P. (2019). Analyzing oil production and consumption: Asking questions, evaluating evidence, and designing solutions (First edition.). Cavendish Square.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Steele, Philip. Analyzing Oil Production and Consumption: Asking Questions, Evaluating Evidence, and Designing Solutions. First edition. New York: Cavendish Square, 2019.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Steele, Philip. Analyzing Oil Production and Consumption: Asking Questions, Evaluating Evidence, and Designing Solutions. First edition. Cavendish Square, 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.