Cita APA (7th ed.)
KOCH, J. (1998). INTERNATIONAL SUMMIT ON PREVENTION OF MENTAL RETARDATION FROM BIOMEDICAL CAUSES. U.S. DEPARTMENT OF HEALTH, EDUCATION AND WELFARE.
Cita Chicago (17th ed.)
KOCH, J. INTERNATIONAL SUMMIT ON PREVENTION OF MENTAL RETARDATION FROM BIOMEDICAL CAUSES. WASHINGTON: U.S. DEPARTMENT OF HEALTH, EDUCATION AND WELFARE, 1998.
Cita MLA (9th ed.)
KOCH, J. INTERNATIONAL SUMMIT ON PREVENTION OF MENTAL RETARDATION FROM BIOMEDICAL CAUSES. U.S. DEPARTMENT OF HEALTH, EDUCATION AND WELFARE, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.