Fennell, F. (. (2013). Defining mathematics education: Presidential yearbook selections 1926-2012, seventy-fifth yearbook. NCTM.
Chicago Style CitationFennell, Francis (skip). Defining Mathematics Education: Presidential Yearbook Selections 1926-2012, Seventy-fifth Yearbook. NCTM, 2013.
MLA CitationFennell, Francis (skip). Defining Mathematics Education: Presidential Yearbook Selections 1926-2012, Seventy-fifth Yearbook. NCTM, 2013.
Warning: These citations may not always be 100% accurate.