APA aipamena

Bowlby, J. Loss sadness and depression: Attachment and loss (reimpáginas.).

Chicago Style aipamena

Bowlby, John. Loss Sadness and Depression: Attachment and Loss. reimpáginas.

MLA aipamena

Bowlby, John. Loss Sadness and Depression: Attachment and Loss. reimpáginas.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.