School Mathematics Project. (1969). SMP Book F: Teacher's guide. The University Press.
Chicago-referens (17:e uppl.)School Mathematics Project. SMP Book F: Teacher's Guide. Cambridge: The University Press, 1969.
MLA-referens (9:e uppl.)School Mathematics Project. SMP Book F: Teacher's Guide. The University Press, 1969.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.