Παραπομπή σε μορφή APA (7η εκδ.)

Umar, A. (1997). Application reengineering: Building Web-based applications and dealing with legacies. Prentice Hall PTR.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Umar, Amjad. Application Reengineering: Building Web-based Applications and Dealing with Legacies. Upper Saddle River, N.J: Prentice Hall PTR, 1997.

Παραπομπή σε μορφή MLA (9th εκδ.)

Umar, Amjad. Application Reengineering: Building Web-based Applications and Dealing with Legacies. Prentice Hall PTR, 1997.