Ewert, A. (1961). Studies in medival French, presented to Alfred Ewert in honour of his seventieth birthday. Clarendon Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Ewert, ALfred. Studies in Medival French, Presented to Alfred Ewert in Honour of His Seventieth Birthday. Oxford: Clarendon Press, 1961.
Παραπομπή σε μορφή MLA (9th εκδ.)Ewert, ALfred. Studies in Medival French, Presented to Alfred Ewert in Honour of His Seventieth Birthday. Clarendon Press, 1961.
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