Walker, D. (2011). Walker's appeal, in four articles: Together with a preamble, to the Coloured citizens of the world, but in particular, and very expressly, to those of the United States of America, written in Boston, State of Massachusetts, September 28, 1829 (DocSouth Books ed.). University of North Carolina at Chapel Hill Library : distributed by University of North Carolina Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Walker, David. Walker's Appeal, in Four Articles: Together with a Preamble, to the Coloured Citizens of the World, but in Particular, and Very Expressly, to Those of the United States of America, Written in Boston, State of Massachusetts, September 28, 1829. DocSouth Books ed. Chapel Hill: University of North Carolina at Chapel Hill Library : distributed by University of North Carolina Press, 2011.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Walker, David. Walker's Appeal, in Four Articles: Together with a Preamble, to the Coloured Citizens of the World, but in Particular, and Very Expressly, to Those of the United States of America, Written in Boston, State of Massachusetts, September 28, 1829. DocSouth Books ed. University of North Carolina at Chapel Hill Library : distributed by University of North Carolina Press, 2011.