Não informado. (1976). Journal of Classroom Interaction. American University, School of Education.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal of Classroom Interaction. Washington: American University, School of Education, 1976.
Lua MLA (8ú heag.)Não informado. Journal of Classroom Interaction. American University, School of Education, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.