Galindo, S. A. K. C., Echavia, D. D., Magtoto, F. O. M., & Olegario, L. C. (2019). Teaching requesting skills to non-verbal children with down syndrome through a picture-based intervention. College of Education, University of the Philippines Diliman.
Chicago-referens (17:e uppl.)Galindo, Shari Ann Katlin C., Darlene D. Echavia, Frances Olivia M. Magtoto, och Lizamarie Campoamor Olegario. Teaching Requesting Skills to Non-verbal Children with Down Syndrome Through a Picture-based Intervention. Quezon City: College of Education, University of the Philippines Diliman, 2019.
MLA-referens (9:e uppl.)Galindo, Shari Ann Katlin C., et al. Teaching Requesting Skills to Non-verbal Children with Down Syndrome Through a Picture-based Intervention. College of Education, University of the Philippines Diliman, 2019.