Hart, P. T. . a. W. (2013). Understanding prime-ministerial performance: Comperative perspectives. Oxford University Press.
Citazione stile Chigago Style (17a edizione)Hart, Paul T. and Walter. Understanding Prime-ministerial Performance: Comperative Perspectives. Oxford: Oxford University Press, 2013.
Citatione MLA (9a ed.)Hart, Paul T. and Walter. Understanding Prime-ministerial Performance: Comperative Perspectives. Oxford University Press, 2013.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.