Gaya APA

Shugart, M, S., Carey, J, M. (1992). Presidents and Assemblies: Constitutional Design and Electoral Dynamics (Ed.6). Cambridge: Cambridge University Press.

Gaya MLA

Shugart, Matthew, Soberg., Carey, John, M.. "Presidents and Assemblies: Constitutional Design and Electoral Dynamics". Ed.6 Cambridge: Cambridge University Press, 1992. Text.