Ullman, J. D., & Widom, J. (2011). First course in database systems (2nd.). Pearson.
シカゴスタイル引用形Ullman, Jeffrey D., , Jennifer Widom. First Course in Database Systems. 2nd. New Delhi: Pearson, 2011.
MLA引用形式Ullman, Jeffrey D., , Jennifer Widom. First Course in Database Systems. 2nd. Pearson, 2011.
警告: この引用は必ずしも正確ではありません.