Berndt, R. (1982). History of the English Language. Verlag Enzyklopädie.
Cita Chicago (17th ed.)Berndt, Rolf. History of the English Language. Leipzig: Verlag Enzyklopädie, 1982.
Cita MLA (8th ed.)Berndt, Rolf. History of the English Language. Verlag Enzyklopädie, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.