Twente, E. E. (1970). Never too old: The aged in community life. Jossey Bass.
Chicagoスタイル(17版)引用形式Twente, Esther E. Never Too Old: The Aged in Community Life. San francisco: Jossey Bass, 1970.
MLA(9版)引用形式Twente, Esther E. Never Too Old: The Aged in Community Life. Jossey Bass, 1970.
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