Brazelton, T. B., & Cramer, B. G. (1990). The earliest relationship: Parents, infants, and the drama of early attachment. Addison-Wesley.
Cita Chicago (17th ed.)Brazelton, T. Berry, i Bertrand G. Cramer. The Earliest Relationship: Parents, Infants, and the Drama of Early Attachment. Reading, Mass: Addison-Wesley, 1990.
Cita MLA (9th ed.)Brazelton, T. Berry, i Bertrand G. Cramer. The Earliest Relationship: Parents, Infants, and the Drama of Early Attachment. Addison-Wesley, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.