Cita APA (7th ed.)
Perspectives [Perspectives] NLMUID: 8500942.
Cita Chicago (17th ed.)
Perspectives [Perspectives] NLMUID: 8500942.
Cita MLA (9th ed.)
Perspectives [Perspectives] NLMUID: 8500942.
Atenció: Aquestes cites poden no estar 100% correctes.