APA-čujuhus (7. p.)
Lampe, G. P. (1998). Frederick Douglass: Freedom's voice, 1818-1845. Michigan State University Press.
Chicago-čujuhus (17. p.)
Lampe, Gregory P. Frederick Douglass: Freedom's Voice, 1818-1845. East Lansing: Michigan State University Press, 1998.
MLA-čujuhus (9. p.)
Lampe, Gregory P. Frederick Douglass: Freedom's Voice, 1818-1845. Michigan State University Press, 1998.
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