Hill, G. E. (1965). Management and improvement of guidance. Appleton Century Crofts.
Chicagoスタイル(17版)引用形式Hill, George E. Management and Improvement of Guidance. Appleton Century Crofts, 1965.
MLA(9版)引用形式Hill, George E. Management and Improvement of Guidance. Appleton Century Crofts, 1965.
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