Köster, K. (2011). International Project Management. SAGE Publications India Pvt. Ltd.
Čikaški stil citiranja (17. izdanje)Köster, Kathrin. International Project Management. New Delhi: SAGE Publications India Pvt. Ltd, 2011.
MLA način citiranja (9. izdanje)Köster, Kathrin. International Project Management. SAGE Publications India Pvt. Ltd, 2011.
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