Blake, R. (1970). The Conservative Party from Peel to Churchill: Based on the Ford lectures, delivered before the University of Oxford in the Hilary term of 1968. Eyre & Spottiswoode.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Blake, Robert. The Conservative Party from Peel to Churchill: Based on the Ford Lectures, Delivered Before the University of Oxford in the Hilary Term of 1968. London: Eyre & Spottiswoode, 1970.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Blake, Robert. The Conservative Party from Peel to Churchill: Based on the Ford Lectures, Delivered Before the University of Oxford in the Hilary Term of 1968. Eyre & Spottiswoode, 1970.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.