Pires, M. C. (1950). Portuguese as it is spoken. Livraria Clássica Editora.
Lua i Stíl Chicago (17ú heag.)Pires, Mário C. Portuguese as It Is Spoken. Livraria Clássica Editora, 1950.
Lua MLA (8ú heag.)Pires, Mário C. Portuguese as It Is Spoken. Livraria Clássica Editora, 1950.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.