Billah, Q. M., Chowdhury, G. S., & Alam, M. (2010). Foundation English for undergraduates. Friend's Book.
芝加哥风格引文Billah, Quazi Mostain, Golam Sarwar Chowdhury, 与 Monjurul Alam. Foundation English for Undergraduates. Dhaka: Friend's Book, 2010.
MLA引文Billah, Quazi Mostain, et al. Foundation English for Undergraduates. Friend's Book, 2010.
警告：这些引文格式不一定是100％准确.