van der Palen, J., Klein, J. J., Kerkhoff, A. H., & van Herwaarden, C. L. (1995). Evaluation of the effectiveness of four different inhalers in patients with chronic obstructive pulmonary disease.
استشهاد بنمط شيكاغوvan der Palen, J., J. J. Klein, A. H. Kerkhoff, و C. L. van Herwaarden. Evaluation of the Effectiveness of Four Different Inhalers in Patients With Chronic Obstructive Pulmonary Disease. 1995.
MLA استشهادvan der Palen, J., J. J. Klein, A. H. Kerkhoff, و C. L. van Herwaarden. Evaluation of the Effectiveness of Four Different Inhalers in Patients With Chronic Obstructive Pulmonary Disease. 1995.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.