Cita APA (7th ed.)
Problemy Severa [Probl Sev] NLMUID: 0401154.
Cita Chicago (17th ed.)
Problemy Severa [Probl Sev] NLMUID: 0401154.
Cita MLA (9th ed.)
Problemy Severa [Probl Sev] NLMUID: 0401154.
Atenció: Aquestes cites poden no estar 100% correctes.