Lua APA (7ú heag.)

Foster, I. (2005). Describing the elephant: The different faces of IT as service. ACM queue : architecting tomorrow's computing..

Lua i Stíl Chicago (17ú heag.)

Foster, Ian. "Describing the Elephant: The Different Faces of IT as Service." ACM Queue : Architecting Tomorrow's Computing. 2005.

Lua MLA (9ú heag.)

Foster, Ian. "Describing the Elephant: The Different Faces of IT as Service." ACM Queue : Architecting Tomorrow's Computing., 2005.

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