Twain, M., & Mendes, t. d. B. (1944). As viagens de Tom Sawyer. Inquérito.
Lua i Stíl Chicago (17ú heag.)Twain, Mark, agus trad. de Berta Mendes. As Viagens De Tom Sawyer. Inquérito, 1944.
Lua MLA (8ú heag.)Twain, Mark, agus trad. de Berta Mendes. As Viagens De Tom Sawyer. Inquérito, 1944.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.