SAHNI, S. (1981). Concepts discrete mathematics. The Camelot pub.co.
芝加哥风格引文SAHNI, Sartaj. Concepts Discrete Mathematics. Minnesota: The Camelot pub.co, 1981.
MLA引文SAHNI, Sartaj. Concepts Discrete Mathematics. The Camelot pub.co, 1981.
警告：这些引文格式不一定是100％准确.