1. CIIA. (2019). What is internal audit? Chartered Institute of Internal Auditors.
2. Cox, A. (2016). Internal audit in Australia. The Institute of Internal Auditors-Australia.
3. ESED. (2013). Greek code of corporate governance for public listed companies.
4. IIA. (2019). Internal auditing: Adding value across the board. The Institute of Internal Auditors.
5. IIA. (2020). The Institute of Internal Auditors. [Online] Available at: HYPERLINK "https://global.theiia.org/standards-guidance/mandatory-guidance/Pages/Definition-of-Internal-Auditing.aspx" https://global.theiia.org/standards-guidance/mandatory-guidance/Pages/Definition-of-Internal-Auditing.aspx [Accessed 5 January, 2020].