Παραπομπή APA

Nagpal, A. (2003). ALE, EDI & IDoc technologies for SAP (2nd ed.). Prentice-Hall of India.

Παραπομπή Chicago Style

Nagpal, Arvind. ALE, EDI & IDoc Technologies for SAP. 2nd ed. New Delhi: Prentice-Hall of India, 2003.

Παραπομπή MLA

Nagpal, Arvind. ALE, EDI & IDoc Technologies for SAP. 2nd ed. Prentice-Hall of India, 2003.