Neumann, P. (1996). Permutation groups and close-knit families of sets.
Cita Chicago (17th ed.)Neumann, P. Permutation Groups and Close-knit Families of Sets. 1996.
Cita MLA (9th ed.)Neumann, P. Permutation Groups and Close-knit Families of Sets. 1996.
Atenció: Aquestes cites poden no estar 100% correctes.