Harvey, R. H., & Caughey, J. W. (1949). Robert Owen: Social idealist. Berkeley, CA: University of California Press.
Παραπομπή Chicago StyleHarvey, Rowland Hill, and John Walton Caughey. Robert Owen: Social Idealist. Berkeley, CA: University of California Press, 1949.
Παραπομπή MLAHarvey, Rowland Hill, and John Walton Caughey. Robert Owen: Social Idealist. Berkeley, CA: University of California Press, 1949.
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