Islam, M. N. (2011). An Introduction to Research Methods (5th ed.). Bangladesh Medical Book Company.
Cita Chicago (17th ed.)Islam, M. Nurul. An Introduction to Research Methods. 5th ed. Dhaka: Bangladesh Medical Book Company, 2011.
Cita MLA (9th ed.)Islam, M. Nurul. An Introduction to Research Methods. 5th ed. Bangladesh Medical Book Company, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.