Beiser, K. (1987). Essential guide to dBase III+ in libraries. Meckler Pub.
Lua i Stíl Chicago (17ú heag.)Beiser, Karl. Essential Guide to DBase III+ in Libraries. Westport, Conn: Meckler Pub, 1987.
Lua MLA (9ú heag.)Beiser, Karl. Essential Guide to DBase III+ in Libraries. Meckler Pub, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.