Jeffrey D Ullman Jennifer Widom. (2007). First course in Database systems. Pearson education.
シカゴスタイル引用形Jeffrey D Ullman Jennifer Widom. First Course in Database Systems. Delhi: Pearson education, 2007.
MLA引用形式Jeffrey D Ullman Jennifer Widom. First Course in Database Systems. Pearson education, 2007.
警告: この引用は必ずしも正確ではありません.