Langley, P. R. (1976). A Comparison between Mail-Access Computer and Manual Literature Searching.
Cita Chicago Style (17a ed.)Langley, Phyllis R. A Comparison Between Mail-Access Computer and Manual Literature Searching. 1976.
Cita MLA (9a ed.)Langley, Phyllis R. A Comparison Between Mail-Access Computer and Manual Literature Searching. 1976.
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