Gourville, H. d. (1960). The modern handbook of english (19th ed.). Crespillo.
Lua i Stíl Chicago (17ú heag.)Gourville, H.D. de. The Modern Handbook of English. 19th ed. Buenos Aires: Crespillo, 1960.
Lua MLA (9ú heag.)Gourville, H.D. de. The Modern Handbook of English. 19th ed. Crespillo, 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.