Sapora, R. W. (1977). A theory of Middle English alliterative meter: With critical applications. Mediaeval Academy of America.
Chicago Style (17. basım) AtıfSapora, Robert William. A Theory of Middle English Alliterative Meter: With Critical Applications. [Boston]: Mediaeval Academy of America, 1977.
MLA (8th ed.) AtıfSapora, Robert William. A Theory of Middle English Alliterative Meter: With Critical Applications. Mediaeval Academy of America, 1977.
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