Kaluzniacky, Eugene. Xbase programming for the true beginner : an introduction to the Xbase language in the context of dBase III+, IV, 5, FoxPro, and Clipper / Eugene Kaluzniacky, Vijay Kanabar. - Chicago : Irwin, c1996. - ix, 225 p. : ill. ; 28 cm. ISBN: 0256204322 LCCN: 95042173 LC Class. No.: QA76.9.D3 / K3555 1996 Dewey Class. No.: 005.75/6