General Electric Company & United States. Maritime Commission. (1944). Instructions GEI-19327 for operation and maintenance of propulsion gears. General Electric.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)General Electric Company و United States. Maritime Commission. Instructions GEI-19327 for Operation and Maintenance of Propulsion Gears. Schenectady, N.Y.: General Electric, 1944.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)General Electric Company و United States. Maritime Commission. Instructions GEI-19327 for Operation and Maintenance of Propulsion Gears. General Electric, 1944.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.