
http://www.europarl.europa.eu/cmsdata/136000/Report_Joint%20LIBE-PANA%20Mission%20to%20Malta.pdf

https://itep.org/amazon-in-its-prime-doubles-profits-pays-0-in-federal-income-taxes/

https://www.eurofound.europa.eu/sites/default/files/ef_publication/field_ef_document/ef18019en.pdf