Ibarra, F., & Coelho, A. j. a. (1943). Brazilian Portuguese self-taught. Random house.
Lua i Stíl Chicago (17ú heag.)Ibarra, Francisco, agus Arthur joint author Coelho. Brazilian Portuguese Self-taught. New York: Random house, 1943.
Lua MLA (9ú heag.)Ibarra, Francisco, agus Arthur joint author Coelho. Brazilian Portuguese Self-taught. Random house, 1943.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.