Erny, P. (1968). Childhood and cosmos: The social psychology of the black african child. new perspective.
Chicago-čujuhus (17. p.)Erny, Pierre. Childhood and Cosmos: The Social Psychology of the Black African Child. New York: new perspective, 1968.
MLA-čujuhus (9. p.)Erny, Pierre. Childhood and Cosmos: The Social Psychology of the Black African Child. new perspective, 1968.
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