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.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)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.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)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.