Trueblood, L. (2020). Are referendums directly democratic? Oxford University Press.
Chicago Style aipamenaTrueblood, L. Are Referendums Directly Democratic? Oxford University Press, 2020.
MLA aipamenaTrueblood, L. Are Referendums Directly Democratic? Oxford University Press, 2020.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.