Ellis, D., & McLaughlin, K. S. (1983). Just enough Portuguese. Passport Books.
Lua i Stíl Chicago (17ú heag.)Ellis, D.L, agus K. Sanderman McLaughlin. Just Enough Portuguese. Lincolnwood, Ill: Passport Books, 1983.
Lua MLA (9ú heag.)Ellis, D.L, agus K. Sanderman McLaughlin. Just Enough Portuguese. Passport Books, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.