Ullman, & Widom. (1997). A first course in database systems (International edition.). New Jersey: Prentice Hall.
Chicago Style CitationUllman, and Widom. A First Course in Database Systems. International edition. New Jersey: Prentice Hall, 1997.
MLA CitationUllman, and Widom. A First Course in Database Systems. International edition. New Jersey: Prentice Hall, 1997.
Warning: These citations may not always be 100% accurate.