APA Alıntı

Umar, M. M., Muhammad, N., & Alhassan, M. B. (2015). Prevalence of presbyopia and spectacle correction coverage in a rural population of North West Nigeria. Clin Ophthalmol.

Chicago Stili Alıntı

Umar, Murtala Muhammad, Nasiru Muhammad, ve Mahmoud B. Alhassan. "Prevalence of Presbyopia and Spectacle Correction Coverage in a Rural Population of North West Nigeria." Clin Ophthalmol 2015.

MLA Alıntı

Umar, Murtala Muhammad, Nasiru Muhammad, ve Mahmoud B. Alhassan. "Prevalence of Presbyopia and Spectacle Correction Coverage in a Rural Population of North West Nigeria." Clin Ophthalmol 2015.