COOMBS, P. H. New paths to learning for rural children and youth. International Council for Education Developme.
Chicagoスタイル(17版)引用形式COOMBS, Philip H. New Paths to Learning for Rural Children and Youth. New York: International Council for Education Developme.
MLA(9版)引用形式COOMBS, Philip H. New Paths to Learning for Rural Children and Youth. International Council for Education Developme.
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