Isberg, C. (1872). Grammatical studies of Chaucer's language. E. Berling, printer to the University.
Lua i Stíl Chicago (17ú heag.)Isberg, Carl. Grammatical Studies of Chaucer's Language. Upsala: E. Berling, printer to the University, 1872.
Lua MLA (8ú heag.)Isberg, Carl. Grammatical Studies of Chaucer's Language. E. Berling, printer to the University, 1872.
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