APA

Mata L., University of Costa Rica. Instituto of Investigations in Health. Section of Infection/Nutrition, Ramírez G. & INISA.HIV AIDS in Costa Rica: epidemiological and sociological features, 1993. Guadalupe: UCR.

Chicago

Mata Leonardo, University of Costa Rica. Instituto of Investigations in Health. Section of Infection/Nutrition, Ramírez Giselle and INISA.HIV AIDS in Costa Rica: epidemiological and sociological features, 1993. Guadalupe: UCR.

Harvard

Mata L., University of Costa Rica. Instituto of Investigations in Health. Section of Infection/Nutrition, Ramírez G. and INISA.HIV AIDS in Costa Rica: epidemiological and sociological features, 1993. Guadalupe: UCR.

MLA

Mata Leonardo, University of Costa Rica. Instituto of Investigations in Health. Section of Infection/Nutrition, Ramírez Giselle and INISA.Guadalupe: UCR. .