Bowlby, J. Loss sadness and depression: Attachment and loss (reimpáginas.).
Chicagoスタイル(17版)引用形式Bowlby, John. Loss Sadness and Depression: Attachment and Loss. reimpáginas.
MLA(8版)引用形式Bowlby, John. Loss Sadness and Depression: Attachment and Loss. reimpáginas.
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