Chang, Y., Ali, H., Draper, A., & Chua, F. (2013). An unusual cause of cyanosis in a patient with COPD. BMJ Publishing Group.
استشهاد بنمط شيكاغوChang, You-Jin, Haider Ali, Adrian Draper, و Felix Chua. An Unusual Cause of Cyanosis in a Patient With COPD. BMJ Publishing Group, 2013.
MLA استشهادChang, You-Jin, Haider Ali, Adrian Draper, و Felix Chua. An Unusual Cause of Cyanosis in a Patient With COPD. BMJ Publishing Group, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.