Duncan, H., & Murray, G. (1830). Presbyter's letters on the West India question: Addressed to the Right Honourable Sir George Murray, G.C.B., M.P., Colonial Secretary, &c. &c. T. and G. Underwood.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Duncan, Henry, و George Murray. Presbyter's Letters on the West India Question: Addressed to the Right Honourable Sir George Murray, G.C.B., M.P., Colonial Secretary, &c. &c. London: T. and G. Underwood, 1830.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Duncan, Henry, و George Murray. Presbyter's Letters on the West India Question: Addressed to the Right Honourable Sir George Murray, G.C.B., M.P., Colonial Secretary, &c. &c. T. and G. Underwood, 1830.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.