Bird, P., & Rutherford, B. A. (1989). Understanding company accounts (3rd ed.). Pitman Publishing.
Lua i Stíl Chicago (17ú heag.)Bird, Peter, agus B. A. Rutherford. Understanding Company Accounts. 3rd ed. London: Pitman Publishing, 1989.
Lua MLA (8ú heag.)Bird, Peter, agus B. A. Rutherford. Understanding Company Accounts. 3rd ed. Pitman Publishing, 1989.
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