Dahl, R. A., & Tufte, E. R. (1973). Size and democracy. Stanford University.
Chicago Style (17th ed.) ZitazioaDahl, Robert Alan, eta Edward R. Tufte. Size and Democracy. Stanford: Stanford University, 1973.
MLA (9th ed.) ZitazioaDahl, Robert Alan, eta Edward R. Tufte. Size and Democracy. Stanford University, 1973.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.