APA引文

Ullman, J. D., & Widom, J. (1997). A first course in database systems. Prentice Hall.

Chicago Style (17th ed.) Citation

Ullman, Jeffrey D., and Jennifer Widom. A First Course in Database Systems. Upper Saddle River, N.J: Prentice Hall, 1997.

MLA引文

Ullman, Jeffrey D., and Jennifer Widom. A First Course in Database Systems. Prentice Hall, 1997.