APA-čujuhus (7. p.)
Harper, K. (2011). Slavery in the late Roman world, AD 275-425. Cambridge University Press.
Chicago-čujuhus (17. p.)
Harper, Kyle. Slavery in the Late Roman World, AD 275-425. Cambridge, UK ; New York: Cambridge University Press, 2011.
MLA-čujuhus (9. p.)
Harper, Kyle. Slavery in the Late Roman World, AD 275-425. Cambridge University Press, 2011.
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