National Geographic Television & Film, Warner Home Video (Firm), Houghton, S., & Selleck, T. (2009). Kingdom of the blue whale. NGHT ; Distributed by Warner Home Video.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)National Geographic Television & Film, Warner Home Video (Firm), Sue Houghton, و Tom Selleck. Kingdom of the Blue Whale. [United States] : [ Burbank, CA]: NGHT ; Distributed by Warner Home Video, 2009.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)National Geographic Television & Film, et al. Kingdom of the Blue Whale. NGHT ; Distributed by Warner Home Video, 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.