Fernandez, M. B., & Bahena,.Magdalena C. (1969). The modern approach to number work to the deaf (preparatory level). College of Education, University of the Philippines Diliman.
Cita Chicago (17th ed.)Fernandez, Milagros B., i Bahena,.Magdalena C. The Modern Approach to Number Work to the Deaf (preparatory Level). Quezon City: College of Education, University of the Philippines Diliman, 1969.
Cita MLA (9th ed.)Fernandez, Milagros B., i Bahena,.Magdalena C. The Modern Approach to Number Work to the Deaf (preparatory Level). College of Education, University of the Philippines Diliman, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.