Butterfield, T. E. (1929). Steam and gas engineering: A text covering power generating apparatus utilizing energy released by the combustion of fuels. D. Van Nostrand co.; inc..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Butterfield, Thomas Edward. Steam and Gas Engineering: A Text Covering Power Generating Apparatus Utilizing Energy Released by the Combustion of Fuels. New York: D. Van Nostrand co.; inc., 1929.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Butterfield, Thomas Edward. Steam and Gas Engineering: A Text Covering Power Generating Apparatus Utilizing Energy Released by the Combustion of Fuels. D. Van Nostrand co.; inc., 1929.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.