Isberg, C. (1872). Grammatical studies of Chaucer's language. E. Berling, printer to the University.
Chicago-viite (17. p.)Isberg, Carl. Grammatical Studies of Chaucer's Language. Upsala: E. Berling, printer to the University, 1872.
MLA-viite (8. p.)Isberg, Carl. Grammatical Studies of Chaucer's Language. E. Berling, printer to the University, 1872.
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