APA-viite

Welsh, R. C., & Armstrong, P. W. (2005). It’s a matter of time: Contemporary pre-hospital management of acute ST elevation myocardial infarction. Copyright 2005 by Heart.

Chicago-tyylinen lähdeviittaus

Welsh, R C., ja P W. Armstrong. It’s a Matter of Time: Contemporary Pre-hospital Management of Acute ST Elevation Myocardial Infarction. Copyright 2005 by Heart, 2005.

MLA-viite

Welsh, R C., ja P W. Armstrong. It’s a Matter of Time: Contemporary Pre-hospital Management of Acute ST Elevation Myocardial Infarction. Copyright 2005 by Heart, 2005.

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