Islam, M. N. (2008). An introduction to research methods. Mullik Brothers.
Chicago-čujuhus (17. p.)Islam, M. Nurul. An Introduction to Research Methods. Dhaka: Mullik Brothers, 2008.
MLA-čujuhus (9. p.)Islam, M. Nurul. An Introduction to Research Methods. Mullik Brothers, 2008.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.