Howick, J., Bishop, F., Heneghan, C., Wolstenholme, J., Stevens, S., Hobbs, R., & Lewith, G. (2013). Placebo use in the United kingdom: Results from a national survey of primary care practitioners. Public Library of Science.
Chicago Style (17. basım) AtıfHowick, J., F. Bishop, C. Heneghan, J. Wolstenholme, S. Stevens, R. Hobbs, ve G. Lewith. Placebo Use in the United Kingdom: Results from a National Survey of Primary Care Practitioners. Public Library of Science, 2013.
MLA (9th ed.) AtıfHowick, J., et al. Placebo Use in the United Kingdom: Results from a National Survey of Primary Care Practitioners. Public Library of Science, 2013.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..