Varkevisser M. Coelien, Pathmanathan Indra, & Brownlee Ann. (1991). Designing and Conducting Health Systems Research Project: Heath Systems Research Training Series. International Development Research Centre.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Varkevisser M. Coelien, Pathmanathan Indra, و Brownlee Ann. Designing and Conducting Health Systems Research Project: Heath Systems Research Training Series. Canada: International Development Research Centre, 1991.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Varkevisser M. Coelien, et al. Designing and Conducting Health Systems Research Project: Heath Systems Research Training Series. International Development Research Centre, 1991.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.