Nilsen, B. (2001). Week by week: Plans for observing and recording young children (2nd ed.). Delmar Thomson Learning.
Chicago Style (17. basım) AtıfNilsen, Barbara. Week by Week: Plans for Observing and Recording Young Children. 2nd ed. Africa: Delmar Thomson Learning, 2001.
MLA (9th ed.) AtıfNilsen, Barbara. Week by Week: Plans for Observing and Recording Young Children. 2nd ed. Delmar Thomson Learning, 2001.
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