Blu-ray Ultra HD - Wikipedia, la enciclopedia libre

The Core (El Nucleo) (4K UHD + Blu-ray) [Blu-ray]

HD DVD - Wikipedia, la enciclopedia libre

Movieclips

Poynter - Poynter

Alta definición - Wikipedia, la enciclopedia libre

Saturday Night Fever (1977) - IMDb

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Cars (video), Disney Wiki

Watch We Shall Remain, American Experience, Official Site