Rutkoskie, A. (1983). Effective writing for business. Charles E. Merrill.
Lua i Stíl Chicago (17ú heag.)Rutkoskie, Alice. Effective Writing for Business. Columbus: Charles E. Merrill, 1983.
Lua MLA (9ú heag.)Rutkoskie, Alice. Effective Writing for Business. Charles E. Merrill, 1983.
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