National Geographic Television & Film & Ballard, R. D. (2012). Alien deep. [Distributed by] Gaiam/Vivendi Entertainment.
Cita Chicago Style (17a ed.)National Geographic Television & Film y Robert D. Ballard. Alien Deep. Universal City, Calif.: [Distributed by] Gaiam/Vivendi Entertainment, 2012.
Cita MLA (8a ed.)National Geographic Television & Film y Robert D. Ballard. Alien Deep. [Distributed by] Gaiam/Vivendi Entertainment, 2012.
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