Citazione Stile APA (7a Edizione)
Schalock, R. L. (1990). Quality of life: Perspectives and issues. American Association on Mental Retardation.
Citazione stile Chigago Style (17a edizione)
Schalock, Robert L. Quality of Life: Perspectives and Issues. Washington, DC: American Association on Mental Retardation, 1990.
Citatione MLA (9a ed.)
Schalock, Robert L. Quality of Life: Perspectives and Issues. American Association on Mental Retardation, 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.