Goldstein, H. (1989). The demography of blindness throughout the world. University Microfilms International.
Cita Chicago Style (17a ed.)Goldstein, Hyman. The Demography of Blindness Throughout the World. Ann Arbor: University Microfilms International, 1989.
Cita MLA (9a ed.)Goldstein, Hyman. The Demography of Blindness Throughout the World. University Microfilms International, 1989.
Precaución: Estas citas no son 100% exactas.