2 Entertain (Firm), BBC Worldwide Americas, Inc, British Broadcasting Corporation, BBC Bristol (Firm), Discovery Channel (Firm), Nihon Hōsō Kyōkai, . . . Attenborough, D. (2007). Planet Earth (High definition widescreen ed.). British Broadcasting Corp. ; Distributed by BBC Worldwide Americas ; Distributed by Warner Home Video.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)2 Entertain (Firm), Inc BBC Worldwide Americas, British Broadcasting Corporation, BBC Bristol (Firm), Discovery Channel (Firm), Nihon Hōsō Kyōkai, Warner Home Video (Firm), Alastair Fothergill, و David Attenborough. Planet Earth. High definition widescreen ed. [Place of publication not identified] : [New York, N.Y.] : Burbank, CA: British Broadcasting Corp. ; Distributed by BBC Worldwide Americas ; Distributed by Warner Home Video, 2007.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)2 Entertain (Firm), et al. Planet Earth. High definition widescreen ed. British Broadcasting Corp. ; Distributed by BBC Worldwide Americas ; Distributed by Warner Home Video, 2007.