APA Style
S.Valacich, J. (2006).
Essentials of Systems Analysis and Design (3).
Upper Saddle River, New Jersey:
PEARSON PRENTICE HALL.
MLA Style
S.Valacich, Joseph.
"Essentials of Systems Analysis and Design".
3
Upper Saddle River, New Jersey:
PEARSON PRENTICE HALL,
2006.
BOOK.