Weinberg, H. L. (1959). Levels of knowing and existence: Studies in general semantics. Harper.
Chicago Edition CitationWeinberg, Harry L. Levels of Knowing and Existence: Studies in General Semantics. New York: Harper, 1959.
ציטוט MLAWeinberg, Harry L. Levels of Knowing and Existence: Studies in General Semantics. Harper, 1959.
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