APA استشهاد

Tweeddale, P. M., Alexander, F., & McHardy, G. J. (1987). Short term variability in FEV1 and bronchodilator responsiveness in patients with obstructive ventilatory defects.

استشهاد بنمط شيكاغو

Tweeddale, P M., F. Alexander, و G J. McHardy. Short Term Variability in FEV1 and Bronchodilator Responsiveness in Patients With Obstructive Ventilatory Defects. 1987.

MLA استشهاد

Tweeddale, P M., F. Alexander, و G J. McHardy. Short Term Variability in FEV1 and Bronchodilator Responsiveness in Patients With Obstructive Ventilatory Defects. 1987.

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