Cruz, F. G. (1996). Taxonomies of functional literacy and numeracy, levels 1, 2 and 3. Education Research Program, Center for Integrative and development Studies, University of the Philippines and Department of Education, Culture and Sports, Bureau of Non-Formal Education.
Cita Chicago (17th ed.)Cruz, Flora G. Taxonomies of Functional Literacy and Numeracy, Levels 1, 2 and 3. [Quezon City]: Education Research Program, Center for Integrative and development Studies, University of the Philippines and Department of Education, Culture and Sports, Bureau of Non-Formal Education, 1996.
Cita MLA (9th ed.)Cruz, Flora G. Taxonomies of Functional Literacy and Numeracy, Levels 1, 2 and 3. Education Research Program, Center for Integrative and development Studies, University of the Philippines and Department of Education, Culture and Sports, Bureau of Non-Formal Education, 1996.