(1970). The crisis in American education: An analysis and a proposal. Sudbury Valley School.
Chicagoスタイル(17版)引用形式The Crisis in American Education: An Analysis and a Proposal. Framingham, Mass.: Sudbury Valley School, 1970.
MLA(8版)引用形式The Crisis in American Education: An Analysis and a Proposal. Sudbury Valley School, 1970.
警告: この引用は必ずしも正確ではありません.