APA-viite (7. p.)

Studies, B. k. L. c. f. O., & Khanal, s. (2013). Evaluation of causes of visual impairment in students of blind schools in Kathmandu valley. B.P. koirala Lions centre for Ophthalmic Studies.

Chicago-viite (17. p.)

Studies, B.P. koirala Lions centre for Ophthalmic, ja santosh Khanal. Evaluation of Causes of Visual Impairment in Students of Blind Schools in Kathmandu Valley. B.P. koirala Lions centre for Ophthalmic Studies, 2013.

MLA-viite (8. p.)

Studies, B.P. koirala Lions centre for Ophthalmic, ja santosh Khanal. Evaluation of Causes of Visual Impairment in Students of Blind Schools in Kathmandu Valley. B.P. koirala Lions centre for Ophthalmic Studies, 2013.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.