Weyl, H. (1949). Philosophy of mathematics and natural science (Rev. and augm. English ed., based on a translation of Olaf Helmer.). Princeton University Press.
Chicago-referens (17:e uppl.)Weyl, Hermann. Philosophy of Mathematics and Natural Science. Rev. and augm. English ed., based on a translation of Olaf Helmer. Princeton: Princeton University Press, 1949.
MLA-referens (9:e uppl.)Weyl, Hermann. Philosophy of Mathematics and Natural Science. Rev. and augm. English ed., based on a translation of Olaf Helmer. Princeton University Press, 1949.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.