Cita APA (7th ed.)

Gupta, P. (2005). System analysis and design. Firewall Media.

Cita Chicago (17th ed.)

Gupta, Preeti. System Analysis and Design. New Delhi: Firewall Media, 2005.

Cita MLA (8th ed.)

Gupta, Preeti. System Analysis and Design. Firewall Media, 2005.