Cita APA (7th ed.)

ebrary, Inc, & Klingemann, H. (2009). The comparative study of electoral systems. Oxford University Press.

Cita Chicago (17th ed.)

ebrary, Inc, i Hans-Dieter Klingemann. The Comparative Study of Electoral Systems. Oxford ; New York: Oxford University Press, 2009.

Cita MLA (9th ed.)

ebrary, Inc, i Hans-Dieter Klingemann. The Comparative Study of Electoral Systems. Oxford University Press, 2009.