Dyfyniad APA

Zhang, X. Q. (2011). The economic role of cities. UN-HABITAT.

Dyfyniad Arddull Chicago

Zhang, Xing Quan. The Economic Role of Cities. Nairobi: UN-HABITAT, 2011.

Dyfyniad MLA

Zhang, Xing Quan. The Economic Role of Cities. UN-HABITAT, 2011.

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