Bruce Weber «Dan O'Bannon, 63, Who Wrote Screenplay for 'Alien,' Is Dead». The New York Times, 20-12-2009 [Consulta: 11 setembre 2014]. «Dan O'Bannon, whose screenplays for "Alien," "Total Recall," "The Return of the Living Dead" and other films made him a cult hero among science fiction aficionados, died on Thursday in Santa Monica, Calif. He was 63.»
