Deismireacht APA

 Langer, A. M. (2008).  Analysis and design of information systems.  Springer.

Trích dẫn kiểu Chicago

 Langer, Arthur M.  Analysis and Design of Information Systems.  Springer, 2008.

Deismireacht MLA

 Langer, Arthur M.  Analysis and Design of Information Systems.  Springer, 2008.

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