Cita APA (7th ed.)

Whitten, J. I. (2007). System Analysis and Design Methods. McGraw hill.

Cita Chicago (17th ed.)

Whitten, J I. System Analysis and Design Methods. New Delhi: McGraw hill, 2007.

Cita MLA (9th ed.)

Whitten, J I. System Analysis and Design Methods. McGraw hill, 2007.