Hess, E. H. (1973). Imprinting: Early experience and the developmental psychobiology of attachment. Van Nostrand Reinhold.
Chicago-viite (17. p.)Hess, Eckhard Heinrich. Imprinting: Early Experience and the Developmental Psychobiology of Attachment. New York, USA: Van Nostrand Reinhold, 1973.
MLA-viite (9. p.)Hess, Eckhard Heinrich. Imprinting: Early Experience and the Developmental Psychobiology of Attachment. Van Nostrand Reinhold, 1973.
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