Não informado. (1972). Higher Education: An international journal of higher education and educational planning. Elsevier Science Publishers.
Lua i Stíl Chicago (17ú heag.)Não informado. Higher Education: An International Journal of Higher Education and Educational Planning. Amsterdam: Elsevier Science Publishers, 1972.
Lua MLA (8ú heag.)Não informado. Higher Education: An International Journal of Higher Education and Educational Planning. Elsevier Science Publishers, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.