Dröschel, Y. (2011). Lingua franca English: The role of simplification and transfer. Peter Lang.
芝加哥风格引文Dröschel, Yvonne. Lingua Franca English: The Role of Simplification and Transfer. Bern ; New York: Peter Lang, 2011.
MLA引文Dröschel, Yvonne. Lingua Franca English: The Role of Simplification and Transfer. Peter Lang, 2011.
警告：这些引文格式不一定是100％准确.