Heppell, T. (2008). Choosing the Tory leader: Conservative Party leadership elections from Heath to Cameron. Tauris Academic Studies.
Citazione stile Chigago Style (17a edizione)Heppell, Timothy. Choosing the Tory Leader: Conservative Party Leadership Elections from Heath to Cameron. London: Tauris Academic Studies, 2008.
Citatione MLA (9a ed.)Heppell, Timothy. Choosing the Tory Leader: Conservative Party Leadership Elections from Heath to Cameron. Tauris Academic Studies, 2008.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.