Millar, R. M. (2007). Northern and insular Scots. Edinburgh University Press.
Lua i Stíl Chicago (17ú heag.)Millar, Robert McColl. Northern and Insular Scots. Edinburgh: Edinburgh University Press, 2007.
Lua MLA (9ú heag.)Millar, Robert McColl. Northern and Insular Scots. Edinburgh University Press, 2007.
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