Queyquep, C. G., Valdes, M. M., & Zulueta, I. M. (1968). Arithmetic activities for the educable mentally retarded at the primary level. College of Education, University of the Philippines Diliman.
Chicago Style (17th ed.) CitationQueyquep, Carolina G., Matilde M. Valdes, and Israel M. Zulueta. Arithmetic Activities for the Educable Mentally Retarded at the Primary Level. Quezon City: College of Education, University of the Philippines Diliman, 1968.
MLA (9th ed.) CitationQueyquep, Carolina G., et al. Arithmetic Activities for the Educable Mentally Retarded at the Primary Level. College of Education, University of the Philippines Diliman, 1968.
Warning: These citations may not always be 100% accurate.