BLUM, M. L. (1956). Industrial psychology and its social foundations. Harper and Row.
Lua i Stíl Chicago (17ú heag.)BLUM, Milton L. Industrial Psychology and Its Social Foundations. New York: Harper and Row, 1956.
Lua MLA (9ú heag.)BLUM, Milton L. Industrial Psychology and Its Social Foundations. Harper and Row, 1956.
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