D.C Sancheti. (2019). Business Mathematics (11th ed.). Sultan Chand & Sons.
芝加哥风格引文D.C Sancheti. Business Mathematics. 11th ed. Delhi: Sultan Chand & Sons, 2019.
MLA引文D.C Sancheti. Business Mathematics. 11th ed. Sultan Chand & Sons, 2019.
警告：这些引文格式不一定是100％准确.