Herbert, W. H. (1970). Prolonged atrio-ventricular conduction and aortic insufficiency.
Chicago Style aipamenaHerbert, Walter H. Prolonged Atrio-ventricular Conduction and Aortic Insufficiency. 1970.
MLA aipamenaHerbert, Walter H. Prolonged Atrio-ventricular Conduction and Aortic Insufficiency. 1970.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.