Παραπομπή APA

Edwards, C. a. (1996). The essence of information system/2e (2nd ed.). Prentice hall of India Private Ltd.

Παραπομπή Chicago Style

Edwards, Chris...[et al.]. The Essence of Information System/2e. 2nd ed. New Delhi: Prentice hall of India Private Ltd, 1996.

Παραπομπή MLA

Edwards, Chris...[et al.]. The Essence of Information System/2e. 2nd ed. Prentice hall of India Private Ltd, 1996.