Lua APA (7ú heag.)
Shore, H., Deakins, R., Streep, M., Adams, A., Shanley, J. P., Rudin, S., & Hoffman, P. S. (2008). Il dubbio. Walt Disney studios home entertainment.
Lua i Stíl Chicago (17ú heag.)
Shore, Howard, Roger Deakins, Meryl Streep, Amy Adams, John Patrick Shanley, Scott Rudin, agus Philip Seymour Hoffman. Il Dubbio. Milano: Walt Disney studios home entertainment, 2008.
Lua MLA (9ú heag.)
Shore, Howard, et al. Il Dubbio. Walt Disney studios home entertainment, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.