Franzen, S., Chandler, C., Enquselassie, F., Siribaddana, S., Atashili, J., Angus, B., & Lang, T. (2013). Understanding the investigators: A qualitative study investigating the barriers and enablers to the implementation of local investigator-initiated clinical trials in Ethiopia. BMJ Publishing Group.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Franzen, SR, C. Chandler, F. Enquselassie, S. Siribaddana, J. Atashili, B. Angus, و T. Lang. Understanding the Investigators: A Qualitative Study Investigating the Barriers and Enablers to the Implementation of Local Investigator-initiated Clinical Trials in Ethiopia. BMJ Publishing Group, 2013.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Franzen, SR, et al. Understanding the Investigators: A Qualitative Study Investigating the Barriers and Enablers to the Implementation of Local Investigator-initiated Clinical Trials in Ethiopia. BMJ Publishing Group, 2013.