Kalt, N. C., & Zalkind, S. S. (1976). Urban problems: Psychological inquiries, readings and text. Oxford University Press.
Dyfyniad Arddull ChicagoKalt, Neil C., and Sheldon S. Zalkind. Urban Problems: Psychological Inquiries, Readings and Text. New York: Oxford University Press, 1976.
Dyfyniad MLAKalt, Neil C., and Sheldon S. Zalkind. Urban Problems: Psychological Inquiries, Readings and Text. Oxford University Press, 1976.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.