Dixon, R. (1955). Complete course in english. Latin American.
Lua i Stíl Chicago (17ú heag.)Dixon, Robert. Complete Course in English. New York, Estados Unidos: Latin American, 1955.
Lua MLA (9ú heag.)Dixon, Robert. Complete Course in English. Latin American, 1955.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.