Flora, S. D. (1956). Hailstorms of the United States. University of Oklahoma Press.
Chicago-čujuhus (17. p.)Flora, Snowden Dwight. Hailstorms of the United States. Norman: University of Oklahoma Press, 1956.
MLA-čujuhus (9. p.)Flora, Snowden Dwight. Hailstorms of the United States. University of Oklahoma Press, 1956.
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