Simpson, A. (1986). Understanding dBase III. BPB Pub.
Lua i Stíl Chicago (17ú heag.)Simpson, Alan. Understanding DBase III. Delhi: BPB Pub, 1986.
Lua MLA (9ú heag.)Simpson, Alan. Understanding DBase III. BPB Pub, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.