G Krenzler, Horst, and Oliver Landwehr. "‘A New Legal Order of International Law’: On the Relationship between Public International Law and European Union Law after Kadi." From Bilateralism to Community Interest: Essays in Honour of Bruno Simma. : Oxford University Press, 2011-03-17. Oxford Scholarship Online. 2011-05-01. Date Accessed 20 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199588817.001.0001/acprof-9780199588817-chapter-63>.
G Krenzler, H., & Landwehr, O.(2011-03-17). ‘A New Legal Order of International Law’: On the Relationship between Public International Law and European Union Law after Kadi. In From Bilateralism to Community Interest: Essays in Honour of Bruno Simma. : Oxford University Press. Retrieved 20 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199588817.001.0001/acprof-9780199588817-chapter-63.
G Krenzler, Horst, and Oliver Landwehr. "‘A New Legal Order of International Law’: On the Relationship between Public International Law and European Union Law after Kadi." In From Bilateralism to Community Interest: Essays in Honour of Bruno Simma. : Oxford University Press, 2011-03-17. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199588817.001.0001/acprof-9780199588817-chapter-63.
G Krenzler H, Landwehr O. ‘A New Legal Order of International Law’: On the Relationship between Public International Law and European Union Law after Kadi. In: Fastenrath U, Geiger R, Khan D, Paulus A, von Schorlemer S, Vedder C. From Bilateralism to Community Interest: Essays in Honour of Bruno Simma. Oxford University Press; 2011. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199588817.001.0001/acprof-9780199588817-chapter-63. Accessed May 20, 2013.