Garrard, G., & Murphy, J. B. (2019). How to think politically: Sages, scholars and statesmen whose ideas have changed the world. Bloomsbury Continuum.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Garrard, Graeme, و James Bernard Murphy. How to Think Politically: Sages, Scholars and Statesmen Whose Ideas Have Changed the World. London: Bloomsbury Continuum, 2019.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Garrard, Graeme, و James Bernard Murphy. How to Think Politically: Sages, Scholars and Statesmen Whose Ideas Have Changed the World. Bloomsbury Continuum, 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.