Wight, O. W. (1982). The Executive's guide to succesful MRP II. Oliver Wright.
Lua i Stíl Chicago (17ú heag.)Wight, Oliver W. The Executive's Guide to Succesful MRP II. Essex Junction, Vt: Oliver Wright, 1982.
Lua MLA (9ú heag.)Wight, Oliver W. The Executive's Guide to Succesful MRP II. Oliver Wright, 1982.
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