Fabrycky, W. (1998). Economic Decision Analysis W.j. Fabrycky, G.j. Thuesen, D. Verma. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Fabrycky, W.J. Economic Decision Analysis W.j. Fabrycky, G.j. Thuesen, D. Verma. Prentice-Hall, 1998.
Lua MLA (8ú heag.)Fabrycky, W.J. Economic Decision Analysis W.j. Fabrycky, G.j. Thuesen, D. Verma. Prentice-Hall, 1998.
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