المؤلفون: Felici, Yannick, Villa, Ezio, Neville, Christopher, Diani, Fiammetta, Blasi, Reinhard, Giannopapa, Christina

المصدر: Elgar Concise Encyclopedia of Aviation Law ; page 242-247 ; ISBN 9781803923659 9781803923642 9781803923659

الاتاحة: http://dx.doi.org/10.4337/9781803923659.00074
https://www.elgaronline.com/view/book/9781803923659/b-9781803923659.chapter69.xml
https://www.elgaronline.com/view/book/9781803923659/9781803923659.xml