Collins, R., & Julian, D. (1991). British Heart Foundation surveys (1987 and 1989) of United Kingdom treatment policies for acute myocardial infarction. Br Heart J.
استشهاد بنمط شيكاغوCollins, R., و D. Julian. "British Heart Foundation Surveys (1987 and 1989) of United Kingdom Treatment Policies for Acute Myocardial Infarction." Br Heart J 1991.
MLA استشهادCollins, R., و D. Julian. "British Heart Foundation Surveys (1987 and 1989) of United Kingdom Treatment Policies for Acute Myocardial Infarction." Br Heart J 1991.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.