Islam & M. Nurul. (2008). An Introduction to Research Methods (3rd ed.). Mullick & Brothers.
Citazione stile Chigago Style (17a edizione)Islam e M. Nurul. An Introduction to Research Methods. 3rd ed. Dhaka: Mullick & Brothers, 2008.
Citatione MLA (9a ed.)Islam e M. Nurul. An Introduction to Research Methods. 3rd ed. Mullick & Brothers, 2008.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.