Dyfyniad APA

Sassen, S. (2012). Cities in a world economy (4th ed.). SAGE/Pine Forge.

Dyfyniad Arddull Chicago

Sassen, Saskia. Cities in a World Economy. 4th ed. Thousand Oaks, Calif.: SAGE/Pine Forge, 2012.

Dyfyniad MLA

Sassen, Saskia. Cities in a World Economy. 4th ed. SAGE/Pine Forge, 2012.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.