Kobler, H. (2005). Anatomy of a guerrilla film: The making of RADIUS. Course Technology.
Chicago-čujuhus (17. p.)Kobler, Helmut. Anatomy of a Guerrilla Film: The Making of RADIUS. Boston, MA: Course Technology, 2005.
MLA-čujuhus (9. p.)Kobler, Helmut. Anatomy of a Guerrilla Film: The Making of RADIUS. Course Technology, 2005.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.