Não informado. (1970). Computer personnel. Association for Computing Machinery, Special Interest Group on Computer.
Lua i Stíl Chicago (17ú heag.)Não informado. Computer Personnel. New York: Association for Computing Machinery, Special Interest Group on Computer, 1970.
Lua MLA (8ú heag.)Não informado. Computer Personnel. Association for Computing Machinery, Special Interest Group on Computer, 1970.
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