Alexander, W. (2009). European Society of Cardiology, 2009 Congress and A Comparison of Two Asthma Medications. MediMedia USA, Inc.
استشهاد بنمط شيكاغوAlexander, Walter. European Society of Cardiology, 2009 Congress and A Comparison of Two Asthma Medications. MediMedia USA, Inc, 2009.
MLA استشهادAlexander, Walter. European Society of Cardiology, 2009 Congress and A Comparison of Two Asthma Medications. MediMedia USA, Inc, 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.