Valacich, J. S., George, J., & Hoffer, J. A. (2012). Essentials of systems analysis and design (5th ed, international ed.). Prentice Hall.
Chicago Style (17th ed.) CitationValacich, Joseph S., Joey George, and Jeffrey A. Hoffer. Essentials of Systems Analysis and Design. 5th ed, international ed. Upper Saddle River, New Jersey: Prentice Hall, 2012.
ציטוט MLAValacich, Joseph S., et al. Essentials of Systems Analysis and Design. 5th ed, international ed. Prentice Hall, 2012.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.