Lua APA (7ú heag.)

Lucas, H. (1992). The analysis design and implementation of information systems (4th.). Mc graw hill.

Lua i Stíl Chicago (17ú heag.)

Lucas, Henry. The Analysis Design and Implementation of Information Systems. 4th. New york: Mc graw hill, 1992.

Lua MLA (9ú heag.)

Lucas, Henry. The Analysis Design and Implementation of Information Systems. 4th. Mc graw hill, 1992.

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