Percus, J. K. (1971). Combinatorial methods. Springer-Verlag.
Chicago Edition CitationPercus, Jerome K. Combinatorial Methods. New York: Springer-Verlag, 1971.
Cita MLAPercus, Jerome K. Combinatorial Methods. Springer-Verlag, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.