Wallwork, A. (2011). English for writing research papers. London: Springer.
Trích dẫn kiểu ChicagoWallwork, Adrian. English for Writing Research Papers. London: Springer, 2011.
MLA引文Wallwork, Adrian. English for Writing Research Papers. London: Springer, 2011.
警告:這些引文格式不一定是100%准確.