Shakespear de Bignon, R. (1978). English Lessons: Book I (12th.ed.). Editorial "Stella".
Lua i Stíl Chicago (17ú heag.)Shakespear de Bignon, Renée. English Lessons: Book I. 12th.ed. Buenos Aires: Editorial "Stella", 1978.
Lua MLA (9ú heag.)Shakespear de Bignon, Renée. English Lessons: Book I. 12th.ed. Editorial "Stella", 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.