Ullman, J. D., & Widom, J. (1997). A first course in database systems. Prentice Hall.
Chicagoスタイル(17版)引用形式Ullman, Jeffrey D., , Jennifer Widom. A First Course in Database Systems. Upper Saddle River, N.J: Prentice Hall, 1997.
MLA(9版)引用形式Ullman, Jeffrey D., , Jennifer Widom. A First Course in Database Systems. Prentice Hall, 1997.
警告: この引用は必ずしも正確ではありません.