Hemming, H. (2019). Agents of influence: A British campaign, a Canadian spy, and the secret plot to bring America into World War II (First U.S. edition.). PublicAffairs.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Hemming, Henry. Agents of Influence: A British Campaign, a Canadian Spy, and the Secret Plot to Bring America into World War II. First U.S. edition. New York: PublicAffairs, 2019.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Hemming, Henry. Agents of Influence: A British Campaign, a Canadian Spy, and the Secret Plot to Bring America into World War II. First U.S. edition. PublicAffairs, 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.