Ewert, A. (1961). Studies in medival French, presented to Alfred Ewert in honour of his seventieth birthday. Clarendon Press.
芝加哥风格引文Ewert, ALfred. Studies in Medival French, Presented to Alfred Ewert in Honour of His Seventieth Birthday. Oxford: Clarendon Press, 1961.
MLA引文Ewert, ALfred. Studies in Medival French, Presented to Alfred Ewert in Honour of His Seventieth Birthday. Clarendon Press, 1961.
警告：这些引文格式不一定是100％准确.