APA
Mark T. Greenberg, . (1990). Attachment in the preschool years : theory, research,and intervention. London: The university of Chicago Press.
Chicago
Mark T. Greenberg, . 1990. Attachment in the preschool years : theory, research,and intervention. London: The university of Chicago Press.
Harvard
Mark T. Greenberg, . (1990). Attachment in the preschool years : theory, research,and intervention. London: The university of Chicago Press.
MLA
Mark T. Greenberg, . Attachment in the preschool years : theory, research,and intervention. London: The university of Chicago Press. 1990.
