Não informado. (2009). Adult Basic Education and Literacy Journal. Commission on Adult Basic Education.
Citação do estilo Chicago (17ª ed.)Não informado. Adult Basic Education and Literacy Journal. Syracuse, NY: Commission on Adult Basic Education, 2009.
Citação MLA (8ª ed.)Não informado. Adult Basic Education and Literacy Journal. Commission on Adult Basic Education, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.