School Mathematics Study Group. (1966). Inservice course in mathematics for primary school teachers (rev. ed.). Leland Stanford Junior University.
Chicago-referens (17:e uppl.)School Mathematics Study Group. Inservice Course in Mathematics for Primary School Teachers. rev. ed. Stanford, CA: Leland Stanford Junior University, 1966.
MLA-referens (9:e uppl.)School Mathematics Study Group. Inservice Course in Mathematics for Primary School Teachers. rev. ed. Leland Stanford Junior University, 1966.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.