Bein, T., Bischoff, M., & Henzler, D. (2015). S2e guideline: positioning and early mobilisation in prophylaxis or therapy of pulmonary disorders: Revision 2015: S2e guideline of the German Society of Anaesthesiology and Intensive Care Medicine (DGAI). Der Anaesthesist. https://doi.org/10.1007/s00101-015-0071-1
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Bein, Thorsten, M. Bischoff, و Dietrich Henzler. "S2e Guideline: Positioning and Early Mobilisation in Prophylaxis or Therapy of Pulmonary Disorders: Revision 2015: S2e Guideline of the German Society of Anaesthesiology and Intensive Care Medicine (DGAI)." Der Anaesthesist 2015. https://doi.org/10.1007/s00101-015-0071-1.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Bein, Thorsten, et al. "S2e Guideline: Positioning and Early Mobilisation in Prophylaxis or Therapy of Pulmonary Disorders: Revision 2015: S2e Guideline of the German Society of Anaesthesiology and Intensive Care Medicine (DGAI)." Der Anaesthesist, 2015, https://doi.org/10.1007/s00101-015-0071-1.