Jackson, L. P. (1971). Free Nego labor and poverty holding in virginia. Russell and Russell.
Chicago-viite (17. p.)Jackson, Luther Porter. Free Nego Labor and Poverty Holding in Virginia. New York: Russell and Russell, 1971.
MLA-viite (9. p.)Jackson, Luther Porter. Free Nego Labor and Poverty Holding in Virginia. Russell and Russell, 1971.
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