APA aipamena

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.

Chicago Style aipamena

Schäfer, Willemijn L. A., Wienke G. W. Boerma, Peter Spreeuwenberg, François G. Schellevis, and 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.

MLA aipamena

Schäfer, 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.