Cita APA (7th ed.)

Heard, D., & Lake, B. (2009). The challenge of attachment for caregiving. Karnac.

Cita Chicago (17th ed.)

Heard, Dorothy, i Brian Lake. The Challenge of Attachment for Caregiving. London: Karnac, 2009.

Cita MLA (9th ed.)

Heard, Dorothy, i Brian Lake. The Challenge of Attachment for Caregiving. Karnac, 2009.