Khan, R. N., & Khan, A. A. (2010). Effective grammar teaching in ESL classroom. BRAC University.
Citazione stile Chigago Style (17a edizione)Khan, Rabeya Nasrin, e Asma Anis Khan. Effective Grammar Teaching in ESL Classroom. BRAC University, 2010.
Citatione MLA (8a ed.)Khan, Rabeya Nasrin, e Asma Anis Khan. Effective Grammar Teaching in ESL Classroom. BRAC University, 2010.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.