Cita APA (7th ed.)
SCHALOCK, R. (1991). QUALITY OF LIFE. PERSPECTIVES AND ISSUES. AMERICAN ASSOCIATION ON MENTAL RETARDATION.
Cita Chicago (17th ed.)
SCHALOCK, R.L. QUALITY OF LIFE. PERSPECTIVES AND ISSUES. WASHINGTON (USA): AMERICAN ASSOCIATION ON MENTAL RETARDATION, 1991.
Cita MLA (9th ed.)
SCHALOCK, R.L. QUALITY OF LIFE. PERSPECTIVES AND ISSUES. AMERICAN ASSOCIATION ON MENTAL RETARDATION, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.