Grayson, H. (1965). Price theory in changing economy. Macmillan Co.
Chicago-čujuhus (17. p.)Grayson, Henry. Price Theory in Changing Economy. New york: Macmillan Co, 1965.
MLA-čujuhus (9. p.)Grayson, Henry. Price Theory in Changing Economy. Macmillan Co, 1965.
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