Schäfer, W. L. A., Boerma, W. G. W., Spreeuwenberg, P., Schellevis, F. G., & Groenewegen, P. P. (2016). Two decades of change in European general practice service profiles: Conditions associated with the developments in 28 countries between 1993 and 2012. Scand J Prim Health Care.
শিকাগো স্টাইলে সাইটেশনSchäfer, Willemijn L. A., Wienke G. W. Boerma, Peter Spreeuwenberg, François G. Schellevis, এবং Peter P. Groenewegen. "Two Decades of Change in European General Practice Service Profiles: Conditions Associated With the Developments in 28 Countries between 1993 and 2012." Scand J Prim Health Care 2016.
এমএলএ সাইটেশনSchäfer, Willemijn L. A., et al. "Two Decades of Change in European General Practice Service Profiles: Conditions Associated With the Developments in 28 Countries between 1993 and 2012." Scand J Prim Health Care 2016.