Sasgen, P., & Thurston, C. (2017). Stalking the red bear: The true story of a u.s. cold war submarine's covert operations against the soviet union (Unabridged.). Tantor Media.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Sasgen, Peter, و Charlie Thurston. Stalking the Red Bear: The True Story of a U.s. Cold War Submarine's Covert Operations Against the Soviet Union. Unabridged. Old Saybrook: Tantor Media, 2017.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Sasgen, Peter, و Charlie Thurston. Stalking the Red Bear: The True Story of a U.s. Cold War Submarine's Covert Operations Against the Soviet Union. Unabridged. Tantor Media, 2017.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.