Guttmann, R., & Petit, P. (2014). Key issues for global governance in 2030. Emerald Group Publishing Limited.
Cita Chicago (17th ed.)Guttmann, Robert, i Pascal Petit. Key Issues for Global Governance in 2030. [Bradford, England]: Emerald Group Publishing Limited, 2014.
Cita MLA (9th ed.)Guttmann, Robert, i Pascal Petit. Key Issues for Global Governance in 2030. Emerald Group Publishing Limited, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.