APA ציטוט

Weinberg, H. L. (1959). Levels of knowing and existence: Studies in general semantics. Harper.

Chicago Edition Citation

Weinberg, Harry L. Levels of Knowing and Existence: Studies in General Semantics. New York: Harper, 1959.

ציטוט MLA

Weinberg, Harry L. Levels of Knowing and Existence: Studies in General Semantics. Harper, 1959.