Παραπομπή APA

Leon, A. (1999). Enterprise resourse planning. Tata McGraw Hill.

Παραπομπή Chicago Style

Leon, Alexis. Enterprise Resourse Planning. New Delhi: Tata McGraw Hill, 1999.

Παραπομπή MLA

Leon, Alexis. Enterprise Resourse Planning. Tata McGraw Hill, 1999.