Barrett, G., & Peacock, J. (2005). Population ideals and sample realities—why we still need access to comprehensive information about populations. BMJ Group.
استشهاد بنمط شيكاغوBarrett, G., و J. Peacock. Population Ideals and Sample Realities—why We Still Need Access to Comprehensive Information About Populations. BMJ Group, 2005.
MLA استشهادBarrett, G., و J. Peacock. Population Ideals and Sample Realities—why We Still Need Access to Comprehensive Information About Populations. BMJ Group, 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.