Watkins, J. (2004). Across the Board: The Mathematics of Chessboard Problems. UP.
Chicago Edition CitationWatkins, John. Across the Board: The Mathematics of Chessboard Problems. UP, 2004.
MLA Edition CitationWatkins, John. Across the Board: The Mathematics of Chessboard Problems. UP, 2004.
Warning: These citations may not always be 100% accurate.