Παραπομπή σε μορφή APA (7η εκδ.)

National Institute of Health Administration and Education (India). (1975). Report of a study of prevalence of refractive error in Central Government employees. National Institute of Health Administration and Education.

Παραπομπή σε μορφή Chicago (17η εκδ.)

National Institute of Health Administration and Education (India). Report of a Study of Prevalence of Refractive Error in Central Government Employees. New Delhi: National Institute of Health Administration and Education, 1975.

Παραπομπή σε μορφή MLA (8th εκδ.)

National Institute of Health Administration and Education (India). Report of a Study of Prevalence of Refractive Error in Central Government Employees. National Institute of Health Administration and Education, 1975.