Cita APA (7th ed.)

Whitten, J. L., Bentley, L. D., & Dittman, K. C. (2004). Systems analysis and design methods (6th ed.). Irwin/McGraw-Hill.

Cita Chicago (17th ed.)

Whitten, Jeffrey L., Lonnie D. Bentley, i Kevin C. Dittman. Systems Analysis and Design Methods. 6th ed. Boston, Mass: Irwin/McGraw-Hill, 2004.

Cita MLA (9th ed.)

Whitten, Jeffrey L., et al. Systems Analysis and Design Methods. 6th ed. Irwin/McGraw-Hill, 2004.