Davies, C. (1871). Intellectual arithmetic: Being an analysis of the science of numbers, with special reference to mental training and development. A. S. Barnes.
Chicago-Zitierstil (17. Ausg.)Davies, Charles. Intellectual Arithmetic: Being an Analysis of the Science of Numbers, with Special Reference to Mental Training and Development. New York: A. S. Barnes, 1871.
MLA-Zitierstil (8. Ausg.)Davies, Charles. Intellectual Arithmetic: Being an Analysis of the Science of Numbers, with Special Reference to Mental Training and Development. A. S. Barnes, 1871.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.