SENN, J. (1989). Analysis And Design Of Information System James A.senn. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)SENN, JAMES. Analysis And Design Of Information System James A.senn. McGraw-Hill, 1989.
Lua MLA (8ú heag.)SENN, JAMES. Analysis And Design Of Information System James A.senn. McGraw-Hill, 1989.
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