Cita APA (7a ed.)

Valacich, J. S., & George, J. F. (2017). Modern systems analysis and design (Eighth, Global edition.). Pearson.

Cita Chicago Style (17a ed.)

Valacich, Joseph S., y Joey F. George. Modern Systems Analysis and Design. Eighth, Global edition. Boston, [Massachusetts]: Pearson, 2017.

Cita MLA (8a ed.)

Valacich, Joseph S., y Joey F. George. Modern Systems Analysis and Design. Eighth, Global edition. Pearson, 2017.