Collins, A. S. (1960). English literature of the twentieth century (4th ed.). University Tutorial press.
Chicago Style (17. basım) AtıfCollins, A. S. English Literature of the Twentieth Century. 4th ed. London: University Tutorial press, 1960.
MLA (9th ed.) AtıfCollins, A. S. English Literature of the Twentieth Century. 4th ed. University Tutorial press, 1960.
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