Macdonald, I. D. (1968). The Theory of Groups. Oxford: The Clarendon Press.
Trích dẫn kiểu ChicagoMacdonald, Ian D. The Theory of Groups. Oxford: The Clarendon Press, 1968.
Deismireacht MLAMacdonald, Ian D. The Theory of Groups. Oxford: The Clarendon Press, 1968.
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