Wilson, N. S. Teach yourself spanish. David McKay.
Lua i Stíl Chicago (17ú heag.)Wilson, N. Scarlyn. Teach Yourself Spanish. London: David McKay.
Lua MLA (9ú heag.)Wilson, N. Scarlyn. Teach Yourself Spanish. David McKay.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.