Collison, G. L. (1997). Shadrach Minkins: From fugitive slave to citizen. Harvard University Press.
Dyfyniad Arddull ChicagoCollison, Gary Lee. Shadrach Minkins: From Fugitive Slave to Citizen. Cambridge, MA: Harvard University Press, 1997.
Dyfyniad MLACollison, Gary Lee. Shadrach Minkins: From Fugitive Slave to Citizen. Harvard University Press, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.