Dyfyniad APA

Angel, S. (2012). Planet of cities. Lincoln Institute of Land Policy.

Dyfyniad Arddull Chicago

Angel, Shlomo. Planet of Cities. Cambridge, Mass.: Lincoln Institute of Land Policy, 2012.

Dyfyniad MLA

Angel, Shlomo. Planet of Cities. Lincoln Institute of Land Policy, 2012.

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