Kern, H., Schiesser, R., & Muniz, M. (2004). IT production services. Prentice Hall Professional Technical Reference.
Lua i Stíl Chicago (17ú heag.)Kern, Harris, Richard Schiesser, agus Mayra Muniz. IT Production Services. Upper Saddle River, NJ: Prentice Hall Professional Technical Reference, 2004.
Lua MLA (8ú heag.)Kern, Harris, et al. IT Production Services. Prentice Hall Professional Technical Reference, 2004.
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