Wallis, E. (1950). Spanish adjective position: Phonetic stress and emphasis. s.n.
Lua i Stíl Chicago (17ú heag.)Wallis, Ethel. Spanish Adjective Position: Phonetic Stress and Emphasis. s.l: s.n, 1950.
Lua MLA (9ú heag.)Wallis, Ethel. Spanish Adjective Position: Phonetic Stress and Emphasis. s.n, 1950.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.