APA引文

Watkins, J. (2004). Across the Board: The Mathematics of Chessboard Problems. UP.

Chicago Edition Citation

Watkins, John. Across the Board: The Mathematics of Chessboard Problems. UP, 2004.

MLA引文

Watkins, John. Across the Board: The Mathematics of Chessboard Problems. UP, 2004.

警告：這些引文格式不一定是100％准確.