NEEDLES, B. E. (1983). Financial Accounting Belverd E. Needles Jr. Mifflin Company.
Lua i Stíl Chicago (17ú heag.)NEEDLES, Belverd E. Financial Accounting Belverd E. Needles Jr. Mifflin Company, 1983.
Lua MLA (8ú heag.)NEEDLES, Belverd E. Financial Accounting Belverd E. Needles Jr. Mifflin Company, 1983.
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