Costa, B. (1983). A micro handbook for small libraries and media centers. Libraries Unlimited.
Lua i Stíl Chicago (17ú heag.)Costa, Betty. A Micro Handbook for Small Libraries and Media Centers. Libraries Unlimited, 1983.
Lua MLA (9ú heag.)Costa, Betty. A Micro Handbook for Small Libraries and Media Centers. Libraries Unlimited, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.