History Channel (Television network), New Video Group, Cohen, D., & Thompson, E. (2007). The universe: Explore the edges of the unknown. A & E Television Networks : Distributed by New Video.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)History Channel (Television network), New Video Group, Douglas Cohen, و Erik Thompson. The Universe: Explore the Edges of the Unknown. [New York, N.Y.]: A & E Television Networks : Distributed by New Video, 2007.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)History Channel (Television network), et al. The Universe: Explore the Edges of the Unknown. A & E Television Networks : Distributed by New Video, 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.