Não informado. (2018). Professional Papers of the Signal Service. Chief Signal Officer.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. Professional Papers of the Signal Service. Washington: Chief Signal Officer, 2018.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. Professional Papers of the Signal Service. Chief Signal Officer, 2018.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.