Không rõ. (1999). Contemporary mathematics in context: A unified approach. Course 3. Part B. EverydayLearning.
Chicago-stil citatKhông rõ. Contemporary Mathematics in Context: A Unified Approach. Course 3. Part B. EverydayLearning, 1999.
MLA-referensKhông rõ. Contemporary Mathematics in Context: A Unified Approach. Course 3. Part B. EverydayLearning, 1999.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.