Bernardo, A. B. I., Pena, E. L. F., & Sto. Domingo, M. R. (1995). Cognitive consequences of literacy: Studies on thinking in five Filipino communities. Education Research Program, Center for Integrative and Development Studies, University of the Philippines, Department of Education, Culture and Sports, Bureau of Non-Formal Education.

Bernardo, Allan B. I., Edith Laine F. Pena, and Mariano R. Sto. Domingo. Cognitive Consequences of Literacy: Studies on Thinking in Five Filipino Communities. [Quezon City]: Education Research Program, Center for Integrative and Development Studies, University of the Philippines, Department of Education, Culture and Sports, Bureau of Non-Formal Education, 1995.

Bernardo, Allan B. I., et al. Cognitive Consequences of Literacy: Studies on Thinking in Five Filipino Communities. Education Research Program, Center for Integrative and Development Studies, University of the Philippines, Department of Education, Culture and Sports, Bureau of Non-Formal Education, 1995.