WHO. (1982). Control G vitamin A defiuincy and xerophthalmia. Geneva.
Citación estilo ChicagoWHO. Control G Vitamin A Defiuincy and Xerophthalmia. Geneva, 1982.
Cita MLAWHO. Control G Vitamin A Defiuincy and Xerophthalmia. Geneva, 1982.
Warning: These citations may not always be 100% accurate.