Não informado. (1969). SIGCSE Bulletin. Association for Computing Machinery, Special Interest Group on Computer Science Education.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. SIGCSE Bulletin. New York: Association for Computing Machinery, Special Interest Group on Computer Science Education, 1969.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. SIGCSE Bulletin. Association for Computing Machinery, Special Interest Group on Computer Science Education, 1969.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.