Alarilla, L. M. (1965). The colored rods in the teaching of arithmetic in grades. IN Alarilla, Luis M. [column]. Education Quarterly.
Chicago-Zitierstil (17. Ausg.)Alarilla, Luis M. "The Colored Rods in the Teaching of Arithmetic in Grades. IN Alarilla, Luis M. [column]." Education Quarterly 1965.
MLA-Zitierstil (9. Ausg.)Alarilla, Luis M. "The Colored Rods in the Teaching of Arithmetic in Grades. IN Alarilla, Luis M. [column]." Education Quarterly, 1965.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.