Junge, F. E. (1908). Gas power: A study of the evolution of gas power, the design and construction of large gas engines in Europe, the application of gas power to various industries and the rational utilization of low grade fuels. Hill Pub. Co..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Junge, Franz Erich. Gas Power: A Study of the Evolution of Gas Power, the Design and Construction of Large Gas Engines in Europe, the Application of Gas Power to Various Industries and the Rational Utilization of Low Grade Fuels. New York: Hill Pub. Co., 1908.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Junge, Franz Erich. Gas Power: A Study of the Evolution of Gas Power, the Design and Construction of Large Gas Engines in Europe, the Application of Gas Power to Various Industries and the Rational Utilization of Low Grade Fuels. Hill Pub. Co., 1908.