Whitaker, H., & Halas Beim. (1981). Timing for animation. Focal Press.
Lua i Stíl Chicago (17ú heag.)Whitaker, Harold, agus Halas Beim. Timing for Animation. London: Focal Press, 1981.
Lua MLA (9ú heag.)Whitaker, Harold, agus Halas Beim. Timing for Animation. Focal Press, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.