West, M., & George, C. (2002). Attachment and dysthymia: The contributions of preoccupied attachment and agency of self to depression in women. Attachment and Human Development, 4, 278-293.

George, C., & West, M. (2001). The development and preliminary validation of a new measure of adult attachment: the Adult Attachment Projective. Attachment and Human Development, 3, 30-66.

West, M., & Sheldon, A.E.R. (1988). Classification of pathological attachment patterns in adults. Journal of Personality Disorders, 2, 153-159.