Lua APA (7ú heag.)

OBRIEN JAMES A. (2007). MANAGEMENT INFORMATION SYSTEMS (7TH.). TATA MCGRAW HILL.

Lua i Stíl Chicago (17ú heag.)

OBRIEN JAMES A. MANAGEMENT INFORMATION SYSTEMS. 7TH. NEW DELHI: TATA MCGRAW HILL, 2007.

Lua MLA (9ú heag.)

OBRIEN JAMES A. MANAGEMENT INFORMATION SYSTEMS. 7TH. TATA MCGRAW HILL, 2007.

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