Bossing, N. L. (1944). Progressive methods of teaching in secondary school. Houghton Mifflin.
Chicagoスタイル(17版)引用形式Bossing, Nelson L. Progressive Methods of Teaching in Secondary School. Houghton Mifflin, 1944.
MLA(9版)引用形式Bossing, Nelson L. Progressive Methods of Teaching in Secondary School. Houghton Mifflin, 1944.
警告: この引用は必ずしも正確ではありません.