Não informado. (1953). Improving College and University Teaching. Heldref Publications.
Lua i Stíl Chicago (17ú heag.)Não informado. Improving College and University Teaching. Washington: Heldref Publications, 1953.
Lua MLA (8ú heag.)Não informado. Improving College and University Teaching. Heldref Publications, 1953.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.