APA aipamena

van der Wall, E. E. (2015). ECG screening in athletes: Optional or mandatory? Neth Heart J.

Chicago Style aipamena

van der Wall, E. E. "ECG Screening in Athletes: Optional or Mandatory?" Neth Heart J 2015.

MLA aipamena

van der Wall, E. E. "ECG Screening in Athletes: Optional or Mandatory?" Neth Heart J 2015.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.