Schwalbe, K., & Schwalbe, K. (2006). Information technology project managementKathy Schwalbe and Augsburg College. Thomson.
Lua i Stíl Chicago (17ú heag.)Schwalbe, Kathy, agus Kathy Schwalbe. Information Technology Project ManagementKathy Schwalbe and Augsburg College. Thomson, 2006.
Lua MLA (8ú heag.)Schwalbe, Kathy, agus Kathy Schwalbe. Information Technology Project ManagementKathy Schwalbe and Augsburg College. Thomson, 2006.
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