APA-ийн эшлэл(7 дахь хэвлэлт)

Brooke, J. L. (2019). "There Is a North": Fugitive Slaves, Political Crisis, and Cultural Transformation in the Coming of the Civil War. University of Massachusetts Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Brooke, John L. "There Is a North": Fugitive Slaves, Political Crisis, and Cultural Transformation in the Coming of the Civil War. Amherst: University of Massachusetts Press, 2019.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Brooke, John L. "There Is a North": Fugitive Slaves, Political Crisis, and Cultural Transformation in the Coming of the Civil War. University of Massachusetts Press, 2019.