Não informado. (1969). SIGCSE Bulletin. Association for Computing Machinery, Special Interest Group on Computer Science Education.
Lua i Stíl Chicago (17ú heag.)Não informado. SIGCSE Bulletin. New York: Association for Computing Machinery, Special Interest Group on Computer Science Education, 1969.
Lua MLA (8ú heag.)Não informado. SIGCSE Bulletin. Association for Computing Machinery, Special Interest Group on Computer Science Education, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.