APA استشهاد

Park, S. K., Meldrum, C. A., & Larson, J. L. (2013). Subgroup analysis of symptoms and their effect on functioning, exercise capacity, and physical activity in patients with severe chronic obstructive pulmonary disease.

استشهاد بنمط شيكاغو

Park, Soo Kyung, Catherine A. Meldrum, و Janet L. Larson. Subgroup Analysis of Symptoms and Their Effect On Functioning, Exercise Capacity, and Physical Activity in Patients With Severe Chronic Obstructive Pulmonary Disease. 2013.

MLA استشهاد

Park, Soo Kyung, Catherine A. Meldrum, و Janet L. Larson. Subgroup Analysis of Symptoms and Their Effect On Functioning, Exercise Capacity, and Physical Activity in Patients With Severe Chronic Obstructive Pulmonary Disease. 2013.

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