Abanty, R. T., & Tarannum, I. (2017). The trend of wearing contact lenses now-a-days Coolense: A famous contact lenses brand. BRAC University.
Chicago-viite (17. p.)Abanty, Rifat Tashfiha, ja Iffat Tarannum. The Trend of Wearing Contact Lenses Now-a-days Coolense: A Famous Contact Lenses Brand. BRAC University, 2017.
MLA-viite (8. p.)Abanty, Rifat Tashfiha, ja Iffat Tarannum. The Trend of Wearing Contact Lenses Now-a-days Coolense: A Famous Contact Lenses Brand. BRAC University, 2017.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.