WILLIAMS, J. R. (1997). Miller Gaap Guide 1997. Harcourt Brace Professional.
Lua i Stíl Chicago (17ú heag.)WILLIAMS, Jan R. Miller Gaap Guide 1997. Harcourt Brace Professional, 1997.
Lua MLA (8ú heag.)WILLIAMS, Jan R. Miller Gaap Guide 1997. Harcourt Brace Professional, 1997.
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