Nilsen, B. (2014). Week by week: Plans for documenting children's development (Sixth Edition, International ed.). Wadsworth.
Chicago-viite (17. p.)Nilsen, Barbara. Week by Week: Plans for Documenting Children's Development. Sixth Edition, International ed. Australia: Wadsworth, 2014.
MLA-viite (9. p.)Nilsen, Barbara. Week by Week: Plans for Documenting Children's Development. Sixth Edition, International ed. Wadsworth, 2014.
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