APA-viite (7. p.)
Gifford, S. (2005). Teaching mathematics 3-5: Developing learning in the foundation stage. Open University Press.
Chicago-viite (17. p.)
Gifford, Susan. Teaching Mathematics 3-5: Developing Learning in the Foundation Stage. Maidenhead: Open University Press, 2005.
MLA-viite (9. p.)
Gifford, Susan. Teaching Mathematics 3-5: Developing Learning in the Foundation Stage. Open University Press, 2005.
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