Holly, D. (1973). Beyond curriculum, changing secondary educations. Hart-Davis MacGibbon.
Lua i Stíl Chicago (17ú heag.)Holly, Douglas. Beyond Curriculum, Changing Secondary Educations. Hart-Davis MacGibbon, 1973.
Lua MLA (8ú heag.)Holly, Douglas. Beyond Curriculum, Changing Secondary Educations. Hart-Davis MacGibbon, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.