Tyran, M. R. (1977). Computerized financial controls. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Tyran, Michael R. Computerized Financial Controls. Englewood Cliffs, N.J: Prentice-Hall, 1977.
Lua MLA (9ú heag.)Tyran, Michael R. Computerized Financial Controls. Prentice-Hall, 1977.
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