APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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