APA
GRESALFI M. S., . (2011). Negotiating identities for mathematics teaching in the context of professional development. : National Council of Teachers of Mathematics.
Chicago
GRESALFI Melissa Sommerfield, . 2011. Negotiating identities for mathematics teaching in the context of professional development. : National Council of Teachers of Mathematics.
Harvard
GRESALFI M. S., . (2011). Negotiating identities for mathematics teaching in the context of professional development. : National Council of Teachers of Mathematics.
MLA
GRESALFI Melissa Sommerfield, . Negotiating identities for mathematics teaching in the context of professional development. : National Council of Teachers of Mathematics. 2011.