@inbook{publication-7044, address={Berlin}, author={Ruud, F and Friebe, P and Schmitz, D and Isufi, S}, booktitle={Gobal Management Challenges of Internal Auditors: ECIIA Yearbook of Internal Audit 2010/11}, editor={B{\"u}sselberg, Hans Joachim}, isbn={978-3-503-12940-9}, pages={17-27}, publisher={Erich Schmidt}, title={International Professional Practices Framework: Overview of the current guidance of the Institute of Internal Auditors}, year=2011, }