Lua APA (7ú heag.)

Não informado. (1973). Illinois school research and development. Illinois Association for Supervision and Curriculum Development.

Lua i Stíl Chicago (17ú heag.)

Não informado. Illinois School Research and Development. Nottingham, Inglaterra: Illinois Association for Supervision and Curriculum Development, 1973.

Lua MLA (8ú heag.)

Não informado. Illinois School Research and Development. Illinois Association for Supervision and Curriculum Development, 1973.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.