Levis, J. T. (2015). ECG Diagnosis: Hyperacute T Waves. Perm J.
Chicago Style aipamenaLevis, Joel T. "ECG Diagnosis: Hyperacute T Waves." Perm J 2015.
MLA aipamenaLevis, Joel T. "ECG Diagnosis: Hyperacute T Waves." Perm J 2015.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.