Gaya APA

McDowell, I., Newell, C. (1996). Measuring Health : a Guide to Rating Scales and Questionnaires. (2nd ed.). New York: Oxford University Press.

Gaya MLA

McDowell, Ian., Newell, Claire. "Measuring Health : a Guide to Rating Scales and Questionnaires.". 2nd ed. New York: Oxford University Press, 1996. print.