APA aipamena

(1997). New directions in technical services: Trends and sources (1993-1995). American Library Association.

Chicago Style aipamena

New Directions in Technical Services: Trends and Sources (1993-1995). Chicago: American Library Association, 1997.

MLA aipamena

New Directions in Technical Services: Trends and Sources (1993-1995). American Library Association, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.