APA-viite (7. p.)

Nipa, S. A., & Akter, M. (2014). An experience of teaching productive skills to beginner level students. BRAC University.

Chicago-viite (17. p.)

Nipa, Shamim Ara, ja Mahmuda Akter. An Experience of Teaching Productive Skills to Beginner Level Students. BRAC University, 2014.

MLA-viite (8. p.)

Nipa, Shamim Ara, ja Mahmuda Akter. An Experience of Teaching Productive Skills to Beginner Level Students. BRAC University, 2014.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.