Lewis, R. B., & Doorlag, D. H. (1999). Teaching special students in general education classrooms (5th.ed.). Merrill.
Chicago-viite (17. p.)Lewis, Rena B., ja Donald H. Doorlag. Teaching Special Students in General Education Classrooms. 5th.ed. New Jersey: Merrill, 1999.
MLA-viite (9. p.)Lewis, Rena B., ja Donald H. Doorlag. Teaching Special Students in General Education Classrooms. 5th.ed. Merrill, 1999.
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