Möhlig-Falke, R. The early English impersonal construction. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Möhlig-Falke, Ruth. The Early English Impersonal Construction. Oxford University Press.
Lua MLA (8ú heag.)Möhlig-Falke, Ruth. The Early English Impersonal Construction. Oxford University Press.
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