Dyfyniad APA

Norwich, J. J. (2009). The great cities in history. London: Thames and Hudson.

Dyfyniad Arddull Chicago

Norwich, John Julius. The Great Cities in History. London: Thames and Hudson, 2009.

Dyfyniad MLA

Norwich, John Julius. The Great Cities in History. London: Thames and Hudson, 2009.

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