Bossing, N. L. (1944). Progressive methods of teaching in secondary school. Houghton Mifflin.
Chicago (17e ed.) BronvermeldingBossing, Nelson L. Progressive Methods of Teaching in Secondary School. Houghton Mifflin, 1944.
MLA (9e ed.) BronvermeldingBossing, Nelson L. Progressive Methods of Teaching in Secondary School. Houghton Mifflin, 1944.
Let op: Deze citaties zijn niet altijd 100% accuraat.