Cita APA (7th ed.)

Möhlig-Falke, R. The early English impersonal construction. Oxford University Press.

Cita Chicago (17th ed.)

Möhlig-Falke, Ruth. The Early English Impersonal Construction. Oxford University Press.

Cita MLA (8th ed.)

Möhlig-Falke, Ruth. The Early English Impersonal Construction. Oxford University Press.