Lovece, Frank. «God of Indie Animation Bill Plympton at Gold Coast Film Fest». Film Festival Traveler, 23-10-2012. Arxivat de l'original el 10 febrer 2014. [Consulta: 10 febrer 2014]. «Born April 30, 1946, in a Portland, Ore., hospital, Plympton grew up in a family of six kids on a farm in nearby Oregon City. ... [Plympton's son] Lucas [was] born about three weeks before this interview was conducted on Oct. 13, 2012....»
Lovece, Frank. «God of Indie Animation Bill Plympton at Gold Coast Film Fest». Film Festival Traveler, 23-10-2012. Arxivat de l'original el 10 febrer 2014. [Consulta: 10 febrer 2014]. «Born April 30, 1946, in a Portland, Ore., hospital, Plympton grew up in a family of six kids on a farm in nearby Oregon City. ... [Plympton's son] Lucas [was] born about three weeks before this interview was conducted on Oct. 13, 2012....»