Cita APA (7th ed.)

Valacich, J. S. (2021). Modern systems analysis and design (Ninth edition.). Pearson Education.

Cita Chicago (17th ed.)

Valacich, Joseph S. Modern Systems Analysis and Design. Ninth edition. United Kingdom: Pearson Education, 2021.

Cita MLA (9th ed.)

Valacich, Joseph S. Modern Systems Analysis and Design. Ninth edition. Pearson Education, 2021.