Billah, Q. M., Chowdhury, G. S., & Alam, M. (2010). Foundation English for undergraduates. Friend's Book.
Lua i Stíl Chicago (17ú heag.)Billah, Quazi Mostain, Golam Sarwar Chowdhury, agus Monjurul Alam. Foundation English for Undergraduates. Dhaka: Friend's Book, 2010.
Lua MLA (8ú heag.)Billah, Quazi Mostain, et al. Foundation English for Undergraduates. Friend's Book, 2010.
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