Cita APA (7th ed.)

Islam & M. Nurul. (2008). An Introduction to Research Methods (3rd ed.). Mullick & Brothers.

Cita Chicago (17th ed.)

Islam i M. Nurul. An Introduction to Research Methods. 3rd ed. Dhaka: Mullick & Brothers, 2008.

Cita MLA (9th ed.)

Islam i M. Nurul. An Introduction to Research Methods. 3rd ed. Mullick & Brothers, 2008.