Palmer, E. (2014). Teaching the core skills of listening & speaking. ASCD.
芝加哥风格引文Palmer, Erik. Teaching the Core Skills of Listening & Speaking. Alexandria, Virginia: ASCD, 2014.
MLA引文Palmer, Erik. Teaching the Core Skills of Listening & Speaking. ASCD, 2014.
警告:这些引文格式不一定是100%准确.