Vatsa, B. S., & Vatsa, S. (2009). Discrete mathematics (4th rev. ed.). New Age International.
芝加哥风格引文Vatsa, B. S., 与 Suchi Vatsa. Discrete Mathematics. 4th rev. ed. New Delhi: New Age International, 2009.
MLA引文Vatsa, B. S., 与 Suchi Vatsa. Discrete Mathematics. 4th rev. ed. New Age International, 2009.
警告：这些引文格式不一定是100％准确.