MAY, W. G. (1967). Foundations in modern mathematics. Blaisdell Pub. Co.
Lua i Stíl Chicago (17ú heag.)MAY, W. Graham. Foundations in Modern Mathematics. Massachusetts: Blaisdell Pub. Co, 1967.
Lua MLA (9ú heag.)MAY, W. Graham. Foundations in Modern Mathematics. Blaisdell Pub. Co, 1967.
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