Παραπομπή APA

Cassirer, E. (1923). Substance and function and einstein's theory of relativity. New York: Dover Publication, INC.

Παραπομπή Chicago Style

Cassirer, Ernst. Substance and Function and Einstein's Theory of Relativity. New York: Dover Publication, INC, 1923.

Παραπομπή MLA

Cassirer, Ernst. Substance and Function and Einstein's Theory of Relativity. New York: Dover Publication, INC, 1923.

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