"Empire"(PDF). Archived from the original(PDF) on 8 August 2019. Retrieved 10 July 2017. Michael Hardt – Italian Marxist sociologist Antonio Negri, "Empire", Harvard University Press, 2000, p. 403
"Empire"(PDF). Archived from the original(PDF) on 8 August 2019. Retrieved 10 July 2017. Michael Hardt – Italian Marxist sociologist Antonio Negri, "Empire", Harvard University Press, 2000, p. 403