BATTY, J. (1973). Standard Costing J. Batty. the English Language Book Soci.
Lua i Stíl Chicago (17ú heag.)BATTY, J. Standard Costing J. Batty. the English Language Book Soci, 1973.
Lua MLA (8ú heag.)BATTY, J. Standard Costing J. Batty. the English Language Book Soci, 1973.
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