Bossing, N. L. (1944). Progressive methods of teaching in secondary school. Houghton Mifflin.
芝加哥风格引文Bossing, Nelson L. Progressive Methods of Teaching in Secondary School. Houghton Mifflin, 1944.
MLA引文Bossing, Nelson L. Progressive Methods of Teaching in Secondary School. Houghton Mifflin, 1944.
警告：这些引文格式不一定是100％准确.