Dyfyniad APA

Litwack, L. F. (1961). North of slavery: The Negro in the free States, 1790-1860. University of Chicago Press.

Dyfyniad Arddull Chicago

Litwack, Leon F. North of Slavery: The Negro in the Free States, 1790-1860. [Chicago]: University of Chicago Press, 1961.

Dyfyniad MLA

Litwack, Leon F. North of Slavery: The Negro in the Free States, 1790-1860. University of Chicago Press, 1961.

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