Speth, J. G., & Haas, P. M. (2006). Global environmental governance. Island Press.
Lua i Stíl Chicago (17ú heag.)Speth, James Gustave, agus Peter M. Haas. Global Environmental Governance. Washington: Island Press, 2006.
Lua MLA (8ú heag.)Speth, James Gustave, agus Peter M. Haas. Global Environmental Governance. Island Press, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.