Ewert, A. (1961). Studies in medival French, presented to Alfred Ewert in honour of his seventieth birthday. Clarendon Press.
Citazione stile Chigago Style (17a edizione)Ewert, ALfred. Studies in Medival French, Presented to Alfred Ewert in Honour of His Seventieth Birthday. Oxford: Clarendon Press, 1961.
Citatione MLA (9a ed.)Ewert, ALfred. Studies in Medival French, Presented to Alfred Ewert in Honour of His Seventieth Birthday. Clarendon Press, 1961.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.