Steinbeck, J. (1939). The grapes of wrath. The Viking Press.
Tohutoru Kātū Chicago (17th ed.)Steinbeck, John. The Grapes of Wrath. Nueva York: The Viking Press, 1939.
Tohutoro MLA (9th ed.)Steinbeck, John. The Grapes of Wrath. The Viking Press, 1939.
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