Không rõ. (1999). Contemporary mathematics in context: A unified approach. Course 3. Part B. EverydayLearning.
シカゴスタイル引用形Không rõ. Contemporary Mathematics in Context: A Unified Approach. Course 3. Part B. EverydayLearning, 1999.
MLA引用形式Không rõ. Contemporary Mathematics in Context: A Unified Approach. Course 3. Part B. EverydayLearning, 1999.
警告: この引用は必ずしも正確ではありません.