Watkins, J. J. (2004). Across the board: The mathematics of chessboard problems. Princeton University Press.
Chicago-стиль цитированияWatkins, John J. Across the Board: The Mathematics of Chessboard Problems. Princeton: Princeton University Press, 2004.
MLA-цитированиеWatkins, John J. Across the Board: The Mathematics of Chessboard Problems. Princeton University Press, 2004.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.