Sigafoos, J., & Littlewood, R. (1999). Communication Intervention on the Playground: A Case Study on Teaching Requesting to a Young Child with Autism. International Journal of Disability, Development and Education, 46(3), 421.
Chicago Style (17th ed.) CitationSigafoos, Jeff, and Rachel Littlewood. "Communication Intervention on the Playground: A Case Study on Teaching Requesting to a Young Child with Autism." International Journal of Disability, Development and Education 46, no. 3 (1999): 421.
MLA (9th ed.) CitationSigafoos, Jeff, and Rachel Littlewood. "Communication Intervention on the Playground: A Case Study on Teaching Requesting to a Young Child with Autism." International Journal of Disability, Development and Education, vol. 46, no. 3, 1999, p. 421.