Παραπομπή APA

Convey, J. (1989). Online information retrieval (3rd ed.). Clive Bingley.

Παραπομπή Chicago Style

Convey, John. Online Information Retrieval. 3rd ed. London: Clive Bingley, 1989.

Παραπομπή MLA

Convey, John. Online Information Retrieval. 3rd ed. Clive Bingley, 1989.