Evams, E. J. (1999). William pitt the Younger Evams. Routledge.
Chicago-čujuhus (17. p.)Evams, Eric J. William Pitt the Younger Evams. London: Routledge, 1999.
MLA-čujuhus (9. p.)Evams, Eric J. William Pitt the Younger Evams. Routledge, 1999.
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