Tudor, Ioana. "The Concept of Standard and its Application to the FET." The Fair and Equitable Treatment Standard in the International Law of Foreign Investment. : Oxford University Press, 2008-03-13. Oxford Scholarship Online. 2009-01-01. Date Accessed 19 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199235063.001.0001/acprof-9780199235063-chapter-4>.
Tudor, I.(2008-03-13). The Concept of Standard and its Application to the FET. In The Fair and Equitable Treatment Standard in the International Law of Foreign Investment. : Oxford University Press. Retrieved 19 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199235063.001.0001/acprof-9780199235063-chapter-4.
Tudor, Ioana. "The Concept of Standard and its Application to the FET." In The Fair and Equitable Treatment Standard in the International Law of Foreign Investment. : Oxford University Press, 2008-03-13. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199235063.001.0001/acprof-9780199235063-chapter-4.
Tudor I. The Concept of Standard and its Application to the FET. In: Tudor I. The Fair and Equitable Treatment Standard in the International Law of Foreign Investment. Oxford University Press; 2008. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199235063.001.0001/acprof-9780199235063-chapter-4. Accessed May 19, 2013.