Messent, P. B. (2013). The Cambridge introduction to Mark Twain. Cambridge University.
Trích dẫn kiểu ChicagoMessent, Peter B. The Cambridge Introduction to Mark Twain. Cambridge University, 2013.
MLA引文Messent, Peter B. The Cambridge Introduction to Mark Twain. Cambridge University, 2013.
警告：這些引文格式不一定是100％准確.