Cita APA (7th ed.)
(2001). Sweden, Switzerland. OECD Publications Services.
Cita Chicago (17th ed.)
Sweden, Switzerland. Paris, France: OECD Publications Services, 2001.
Cita MLA (9th ed.)
Sweden, Switzerland. OECD Publications Services, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.