Cummings, S. M., Savitz, L. A., & Konrad, T. R. (2001). Reported response rates to mailed physician questionnaires.
Chicago Style aipamenaCummings, S M., L A. Savitz, and T R. Konrad. Reported Response Rates to Mailed Physician Questionnaires. 2001.
MLA aipamenaCummings, S M., L A. Savitz, and T R. Konrad. Reported Response Rates to Mailed Physician Questionnaires. 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.