World Health Organization. Study Group on the Psychobiological Development of the Child. (1953). Discussions on child development: A consideration of the biological, psychological, and cultural approaches to the understanding of human development and behaviour. International Universities Press.
Citace podle Chicago (17th ed.)World Health Organization. Study Group on the Psychobiological Development of the Child. Discussions on Child Development: A Consideration of the Biological, Psychological, and Cultural Approaches to the Understanding of Human Development and Behaviour. New York: International Universities Press, 1953.
Citace podle MLA (9th ed.)World Health Organization. Study Group on the Psychobiological Development of the Child. Discussions on Child Development: A Consideration of the Biological, Psychological, and Cultural Approaches to the Understanding of Human Development and Behaviour. International Universities Press, 1953.