APA (7th ed.) Zitazioa
ebrary, Inc, World Congress on Down Syndrome, Cuskelly, M., Jobling, A., & Buckley, S. (2002). Down syndrome across the life span. Whurr Publishers.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, World Congress on Down Syndrome, Monica Cuskelly, Anne Jobling, eta Sue Buckley. Down Syndrome Across the Life Span. London ; Philadelphia: Whurr Publishers, 2002.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. Down Syndrome Across the Life Span. Whurr Publishers, 2002.
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