BLANCHARD, B. S. (1998). Systems engineering and analysis. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)BLANCHARD, Benjamin S. Systems Engineering and Analysis. Prentice-Hall, 1998.
Lua MLA (8ú heag.)BLANCHARD, Benjamin S. Systems Engineering and Analysis. Prentice-Hall, 1998.
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