Whitehead, G. W. 1. (1966). Homotopy theory. Cambridge, Mass.: M.I.T. Press.
Trích dẫn kiểu ChicagoWhitehead, George W. 1918-. Homotopy Theory. Cambridge, Mass.: M.I.T. Press, 1966.
Deismireacht MLAWhitehead, George W. 1918-. Homotopy Theory. Cambridge, Mass.: M.I.T. Press, 1966.
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