Bell, M., & Max Bell. Everyday mathematics: Student Reference Book. Chicago, Ill: McGraw-Hill Education.
Παραπομπή Chicago StyleBell, Max, και Max Bell. Everyday Mathematics: Student Reference Book. Chicago, Ill: McGraw-Hill Education.
Παραπομπή MLABell, Max, και Max Bell. Everyday Mathematics: Student Reference Book. Chicago, Ill: McGraw-Hill Education.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.