Barmby, P. (2014). Understanding and Enriching Problem Solving in Primary Mathematics. Critical Publishing.
Chicago-Zitierstil (17. Ausg.)Barmby, Patrick. Understanding and Enriching Problem Solving in Primary Mathematics. Northwich: Critical Publishing, 2014.
MLA-Zitierstil (9. Ausg.)Barmby, Patrick. Understanding and Enriching Problem Solving in Primary Mathematics. Critical Publishing, 2014.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.