British Broadcasting Corporation, Warner Home Video (Firm), & Attenborough, D. (2007). Planet Earth. British Broadcasting Corporation ; Warner Home Video [distributor].
Cita Chicago Style (17a ed.)British Broadcasting Corporation, Warner Home Video (Firm), y David Attenborough. Planet Earth. [S.l.] : Burbank, CA: British Broadcasting Corporation ; Warner Home Video [distributor], 2007.
Cita MLA (8a ed.)British Broadcasting Corporation, et al. Planet Earth. British Broadcasting Corporation ; Warner Home Video [distributor], 2007.
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