Costa, B. (1986). A micro handbook for small libraries and media centers (2nd ed.). Libraries Unlimited, Inc.
Chicago-referens (17:e uppl.)Costa, Betty. A Micro Handbook for Small Libraries and Media Centers. 2nd ed. Littleton: Libraries Unlimited, Inc, 1986.
MLA-referens (9:e uppl.)Costa, Betty. A Micro Handbook for Small Libraries and Media Centers. 2nd ed. Libraries Unlimited, Inc, 1986.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.