Beckwith, C. A., & Sklar, A. (2014). Delta force: A memoir by the founder of the u.s. military's most secretive special-operations unit (Unabridged.). Tantor Media.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Beckwith, Charlie A., و Alan Sklar. Delta Force: A Memoir by the Founder of the U.s. Military's Most Secretive Special-operations Unit. Unabridged. Old Saybrook: Tantor Media, 2014.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Beckwith, Charlie A., و Alan Sklar. Delta Force: A Memoir by the Founder of the U.s. Military's Most Secretive Special-operations Unit. Unabridged. Tantor Media, 2014.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.