Sigurdsson, A. (1993). Neurohormonal activation in patients with acute myocardial infarction or chronic congestive heart failure: With special reference to treatment with angiotensin converting enzyme inhibitors.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Sigurdsson, Axel. Neurohormonal Activation in Patients with Acute Myocardial Infarction or Chronic Congestive Heart Failure: With Special Reference to Treatment with Angiotensin Converting Enzyme Inhibitors. 1993.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Sigurdsson, Axel. Neurohormonal Activation in Patients with Acute Myocardial Infarction or Chronic Congestive Heart Failure: With Special Reference to Treatment with Angiotensin Converting Enzyme Inhibitors. 1993.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.