Schinkel, M., Kaster, J., & Borns, P. (1992). Programming in Clipper 5. Addison-Wesley.
Tohutoru Kātū Chicago (17th ed.)Schinkel, Mike, John Kaster, me Patricia Borns. Programming in Clipper 5. Reading: Addison-Wesley, 1992.
Tohutoro MLA (9th ed.)Schinkel, Mike, et al. Programming in Clipper 5. Addison-Wesley, 1992.
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