GILLESPIE, C. (1985). Accounting System Procedures And Methods Cecil Gillespie. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)GILLESPIE, Cecil. Accounting System Procedures And Methods Cecil Gillespie. Prentice-Hall, 1985.
Lua MLA (8ú heag.)GILLESPIE, Cecil. Accounting System Procedures And Methods Cecil Gillespie. Prentice-Hall, 1985.
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