Sassen, S. (2000). Cities in a world economy (2nd ed.). Pine Forge Press.
Lua i Stíl Chicago (17ú heag.)Sassen, Saskia. Cities in a World Economy. 2nd ed. Thousand Oaks ; London ; New Delhi: Pine Forge Press, 2000.
Lua MLA (8ú heag.)Sassen, Saskia. Cities in a World Economy. 2nd ed. Pine Forge Press, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.