Tham khảo Lớp kề

Burton, David M. (1988), Abstract Algebra, Wm. C. Brown Publishers, ISBN 0-697-06761-0
Dean, Richard A. (1990), Classical Abstract Algebra, Harper and Row, ISBN 0-06-041601-7
Fraleigh, John B. (1994), A First Course in Abstract Algebra (ấn bản 5), Addison-Wesley, ISBN 978-0-201-53467-2
Hall, Jr., Marshall (1959), The Theory of Groups, The Macmillan Company
Jacobson, Nathan (2009) [1985], Basic Algebra I (ấn bản 2), Dover, ISBN 978-0-486-47189-1
Joshi, K. D. (1989), “§5.2 Cosets of Subgroups”, Foundations of Discrete Mathematics, New Age International, tr. 322 ff, ISBN 81-224-0120-1
Miller, G. A. (2012) [1916], Theory and Applications of Finite Groups, Applewood Books, ISBN 9781458500700
Rotman, Joseph J. (2006), A First Course in Abstract Algebra with Applications (ấn bản 3), Prentice-Hall, ISBN 978-0-13-186267-8
Scott, W.R. (1987), “§1.7 Cosets and index”, Group Theory, Courier Dover Publications, tr. 19 ff, ISBN 0-486-65377-3

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