Occhiogrosso, J. (1993). Clipper developer's library: 2nd edition version 5.01. Dinastindo Adiperkasa Internasional.
Cita Chicago Style (17a ed.)Occhiogrosso, James. Clipper Developer's Library: 2nd Edition Version 5.01. Dinastindo Adiperkasa Internasional, 1993.
Cita MLA (8a ed.)Occhiogrosso, James. Clipper Developer's Library: 2nd Edition Version 5.01. Dinastindo Adiperkasa Internasional, 1993.
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