Clarke de Armando, R. (1939). Argentine english series: Book 1. Longmans, Green.
Lua i Stíl Chicago (17ú heag.)Clarke de Armando, R. Argentine English Series: Book 1. London - New York - Toronto: Longmans, Green, 1939.
Lua MLA (9ú heag.)Clarke de Armando, R. Argentine English Series: Book 1. Longmans, Green, 1939.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.