Damery, S., Smith, S., Clements, A., Holder, R., Nichols, L., Draper, H., . . . Wilson, S. (2012). Evaluating the effectiveness of GP endorsement on increasing participation in the NHS Bowel Cancer Screening Programme in England: Study protocol for a randomized controlled trial.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Damery, S., et al. Evaluating the Effectiveness of GP Endorsement on Increasing Participation in the NHS Bowel Cancer Screening Programme in England: Study Protocol for a Randomized Controlled Trial. 2012.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Damery, S., et al. Evaluating the Effectiveness of GP Endorsement on Increasing Participation in the NHS Bowel Cancer Screening Programme in England: Study Protocol for a Randomized Controlled Trial. 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.