Alexander, G. G. U. a. W. M. Innovations in Secondary Education. Holt, Rinehart and Winston.
Chicagoスタイル(17版)引用形式Alexander, Glenys G. Unruh and William M. Innovations in Secondary Education. Holt, Rinehart and Winston.
MLA(8版)引用形式Alexander, Glenys G. Unruh and William M. Innovations in Secondary Education. Holt, Rinehart and Winston.
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