McDowell,Ian Newell,Claire. (1996). Measuring Health: A guide to rating scales and questionnaires (2nd-ed.). Oxford University Press.
Chicago-referens (17:e uppl.)McDowell,Ian Newell,Claire. Measuring Health: A Guide to Rating Scales and Questionnaires. 2nd-ed. New York: Oxford University Press, 1996.
MLA-referens (8:e uppl.)McDowell,Ian Newell,Claire. Measuring Health: A Guide to Rating Scales and Questionnaires. 2nd-ed. Oxford University Press, 1996.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.