APA-viite (7. p.)
ebrary, Inc. (2003). Who are these people?: A guide for child care professionals. National Academies.
Chicago-viite (17. p.)
ebrary, Inc. Who Are These People?: A Guide for Child Care Professionals. Washington, DC: National Academies, 2003.
MLA-viite (9. p.)
ebrary, Inc. Who Are These People?: A Guide for Child Care Professionals. National Academies, 2003.
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