Copeland, R. M. (1980). Financial Accounting Ronald M. Copeland, Paul E. Dascher And Dale L. Davidson. John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)Copeland, Ronald M. Financial Accounting Ronald M. Copeland, Paul E. Dascher And Dale L. Davidson. John Wiley & Sons, 1980.
Lua MLA (8ú heag.)Copeland, Ronald M. Financial Accounting Ronald M. Copeland, Paul E. Dascher And Dale L. Davidson. John Wiley & Sons, 1980.
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