Παραπομπή APA

Weyl, H. (2009). Philosophy of mathematics and natural science. Princeton University Press.

Παραπομπή Chicago Style

Weyl, Hermann. Philosophy of Mathematics and Natural Science. Princeton, N.J.: Princeton University Press, 2009.

Παραπομπή MLA

Weyl, Hermann. Philosophy of Mathematics and Natural Science. Princeton University Press, 2009.