Não informado. (1993). Quality Assurance in Education. MCB University Press.
Lua i Stíl Chicago (17ú heag.)Não informado. Quality Assurance in Education. Bradford, Inglaterra: MCB University Press, 1993.
Lua MLA (8ú heag.)Não informado. Quality Assurance in Education. MCB University Press, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.