Cita APA (7th ed.)

NCC Education. (2000). System analysis techniques. NCC Education.

Cita Chicago (17th ed.)

NCC Education. System Analysis Techniques. Manchester, UK: NCC Education, 2000.

Cita MLA (9th ed.)

NCC Education. System Analysis Techniques. NCC Education, 2000.

Atenció: Aquestes cites poden no estar 100% correctes.