Spiller, R. E. (1955). The cycle of american literature: An essay in historical criticism. Macmillan.
Chicago-čujuhus (17. p.)Spiller, Robert E. The Cycle of American Literature: An Essay in Historical Criticism. Nueva York: Macmillan, 1955.
MLA-čujuhus (9. p.)Spiller, Robert E. The Cycle of American Literature: An Essay in Historical Criticism. Macmillan, 1955.
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