Wilberforce, W. (1789). The speech of William Wilberforce ... on Wednesday the 13th of May 1789 on the question of the abolition of the slave trade, to which are added The resolutions then moved and A short sketch of the speeches of the other members. Printed at the Topographic Press and sold by J. Walters.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Wilberforce, William. The Speech of William Wilberforce ... on Wednesday the 13th of May 1789 on the Question of the Abolition of the Slave Trade, to Which Are Added The Resolutions Then Moved and A Short Sketch of the Speeches of the Other Members. London: Printed at the Topographic Press and sold by J. Walters, 1789.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Wilberforce, William. The Speech of William Wilberforce ... on Wednesday the 13th of May 1789 on the Question of the Abolition of the Slave Trade, to Which Are Added The Resolutions Then Moved and A Short Sketch of the Speeches of the Other Members. Printed at the Topographic Press and sold by J. Walters, 1789.