KENDALL, P. A. (1996). Introduction To System Analysis And Design A Structured Approach Penny A. Kendall. Irwin.
Lua i Stíl Chicago (17ú heag.)KENDALL, Penny A. Introduction To System Analysis And Design A Structured Approach Penny A. Kendall. Irwin, 1996.
Lua MLA (8ú heag.)KENDALL, Penny A. Introduction To System Analysis And Design A Structured Approach Penny A. Kendall. Irwin, 1996.
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