APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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