N. Ya Vilenkin, A. S. Combinatorics. Academic Press.
Chicago Style (17th ed.) CitationN. Ya Vilenkin, A. Shenitzer. Combinatorics. Academic Press.
MLA (8th ed.) CitationN. Ya Vilenkin, A. Shenitzer. Combinatorics. Academic Press.
Warning: These citations may not always be 100% accurate.