Não informado. (1977). Adult Literacy & Basic Education. Comission on Adult Basic Education.
Chicago-Zitierstil (17. Ausg.)Não informado. Adult Literacy & Basic Education. Auburn, Ala: Comission on Adult Basic Education, 1977.
MLA-Zitierstil (8. Ausg.)Não informado. Adult Literacy & Basic Education. Comission on Adult Basic Education, 1977.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.