Barry, M. (1965). Mechanical aids in teaching languages. A symposium ... Language Laboratories, a general conspectus.
Lua i Stíl Chicago (17ú heag.)Barry, Mary. Mechanical Aids in Teaching Languages. A Symposium ... Language Laboratories, a General Conspectus. 1965.
Lua MLA (9ú heag.)Barry, Mary. Mechanical Aids in Teaching Languages. A Symposium ... Language Laboratories, a General Conspectus. 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
