(1998). Contemporary mathematics in context: A unified approach. Chicago, Ill: Everyday Learning.
Παραπομπή Chicago StyleContemporary Mathematics in Context: A Unified Approach. Chicago, Ill: Everyday Learning, 1998.
Παραπομπή MLAContemporary Mathematics in Context: A Unified Approach. Chicago, Ill: Everyday Learning, 1998.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.