Bowlby, J. Loss sadness and depression: Attachment and loss (reimpáginas.).
Cita Chicago (17th ed.)Bowlby, John. Loss Sadness and Depression: Attachment and Loss. reimpáginas.
Cita MLA (8th ed.)Bowlby, John. Loss Sadness and Depression: Attachment and Loss. reimpáginas.
Atenció: Aquestes cites poden no estar 100% correctes.