(1991). Foxpro 2.0: Commands & functiond. BPB publications.
Lua i Stíl Chicago (17ú heag.)Foxpro 2.0: Commands & Functiond. [s. n]: BPB publications, 1991.
Lua MLA (9ú heag.)Foxpro 2.0: Commands & Functiond. BPB publications, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.