Gene Youngblood: Frasi in inglese
Origine: Expanded Cinema, 1970, p. 348; The Artist as Ecologist http://www.screeningthepast.com/2011/11/the-artist-as-ecologist/
Origine: Expanded Cinema, 1970, p. 92, as cited in: " Expanded Cinema, Gene Youngblood, Studio Vista, 1970 http://www.hohlwelt.com/en/books/gyngbld.html" at hohlwelt.com, January 21, 2012
Origine: Expanded Cinema, 1970, p. 346; The Artist as Ecologist http://www.screeningthepast.com/2011/11/the-artist-as-ecologist/; Partly cited in: Derek Owens. Composition and Sustainability: Teaching for a Threatened Generation. National Council of Teachers of English, 1 jan. 2001