APA
United States of America Department of Helath E. a. W., .Measures of chronic illness: Among residents of nursing and personal care homes. Washington: .
Chicago
United States of America Department of Helath Education and Welfare, .Measures of chronic illness: Among residents of nursing and personal care homes. Washington: .
Harvard
United States of America Department of Helath E. a. W., .Measures of chronic illness: Among residents of nursing and personal care homes. Washington: .
MLA
United States of America Department of Helath Education and Welfare, .Washington: . .