Heppell, T. (2010). Choosing the Labour leader: Labour Party leadership elections from Wilson to Brown. Tauris Academic Studies.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Heppell, Timothy. Choosing the Labour Leader: Labour Party Leadership Elections from Wilson to Brown. London ; New York: Tauris Academic Studies, 2010.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Heppell, Timothy. Choosing the Labour Leader: Labour Party Leadership Elections from Wilson to Brown. Tauris Academic Studies, 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.