APA Style
Ullman, Jeffrey D., Widom, Jennifer. (1997).
A First Course In Database System .
New Jersey:
Prentice Hall.
Chicago Style
Ullman, Jeffrey D., Widom, Jennifer.
A First Course In Database System.
New Jersey:
Prentice Hall,
1997.
Text.
MLA Style
Ullman, Jeffrey D., Widom, Jennifer.
A First Course In Database System.
New Jersey:
Prentice Hall,
1997.
Text.
Turabian Style
Ullman, Jeffrey D., Widom, Jennifer.
A First Course In Database System.
New Jersey:
Prentice Hall,
1997.
Print.