Gaya APA
, ., Hughes, A, M. (2009).
Problem solving, reasoning and numeracy in the early years foundation stage .
London:
London: Routledge, 2009.
Gaya MLA
, ., Hughes, Anita, M.
"Problem solving, reasoning and numeracy in the early years foundation stage".
London:
London: Routledge, 2009,
2009.
.