APA استشهاد

McKeon, J. L., Murree-Allen, K., & Saunders, N. A. (1988). Effects of breathing supplemental oxygen before progressive exercise in patients with chronic obstructive lung disease.

استشهاد بنمط شيكاغو

McKeon, J L., K. Murree-Allen, و N A. Saunders. Effects of Breathing Supplemental Oxygen Before Progressive Exercise in Patients With Chronic Obstructive Lung Disease. 1988.

MLA استشهاد

McKeon, J L., K. Murree-Allen, و N A. Saunders. Effects of Breathing Supplemental Oxygen Before Progressive Exercise in Patients With Chronic Obstructive Lung Disease. 1988.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.