Lua APA (7ú heag.)

O'Leary, D. E. (2000). Enterprise resource planning systems: Systems, life cycle, electronic commerce, and risk. Cambridge University Press.

Lua i Stíl Chicago (17ú heag.)

O'Leary, Daniel Edmund. Enterprise Resource Planning Systems: Systems, Life Cycle, Electronic Commerce, and Risk. Cambridge, [Eng.]: Cambridge University Press, 2000.

Lua MLA (9ú heag.)

O'Leary, Daniel Edmund. Enterprise Resource Planning Systems: Systems, Life Cycle, Electronic Commerce, and Risk. Cambridge University Press, 2000.

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