Koos, L. V. (1946). Integrating high school and college: The six-four-four plan at work. Harper and Brothers.
Chicagoスタイル(17版)引用形式Koos, Leonard Vincent. Integrating High School and College: The Six-four-four Plan at Work. New York, London: Harper and Brothers, 1946.
MLA(9版)引用形式Koos, Leonard Vincent. Integrating High School and College: The Six-four-four Plan at Work. Harper and Brothers, 1946.
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