Mandell, P. L. (1988). SLJ's AV Software Buyers' Directory.
Cita Chicago Style (17a ed.)Mandell, Phyllis Levy. SLJ's AV Software Buyers' Directory. 1988.
Cita MLA (9a ed.)Mandell, Phyllis Levy. SLJ's AV Software Buyers' Directory. 1988.
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