Lynen, J. F. (1960). The pastoral art of Robert Frost. New York: Yale University Press.
Trích dẫn kiểu ChicagoLynen, John F. The Pastoral Art of Robert Frost. New York: Yale University Press, 1960.
Deismireacht MLALynen, John F. The Pastoral Art of Robert Frost. New York: Yale University Press, 1960.
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