Παραπομπή APA

Guha B. (1983). Documentation and information: Services, techniques and systems (2.). World press.

Παραπομπή Chicago Style

Guha B. Documentation and Information: Services, Techniques and Systems. 2. Calcutta: World press, 1983.

Παραπομπή MLA

Guha B. Documentation and Information: Services, Techniques and Systems. 2. World press, 1983.