Lehman, H. (1979). Introduction to the philosophy of mathematics. Rowman and Littlefield.
Chicago-stil citatLehman, Hugh. Introduction to the Philosophy of Mathematics. Totowa, N.J.: Rowman and Littlefield, 1979.
MLA-referensLehman, Hugh. Introduction to the Philosophy of Mathematics. Rowman and Littlefield, 1979.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.