Engstrom, J. H., & Hay, L. E. (1996). Essentials of accounting for governmental and not-for-profit organizations (4th ed.). Irwin.
Lua i Stíl Chicago (17ú heag.)Engstrom, John H., agus Leon Edwards Hay. Essentials of Accounting for Governmental and Not-for-profit Organizations. 4th ed. Chicago: Irwin, 1996.
Lua MLA (8ú heag.)Engstrom, John H., agus Leon Edwards Hay. Essentials of Accounting for Governmental and Not-for-profit Organizations. 4th ed. Irwin, 1996.
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