Dyfyniad APA

Gottlieb, S. (2011). Washington: Portrait of a city. Lanham: Taylor Trade Pub.

Dyfyniad Arddull Chicago

Gottlieb, Steven. Washington: Portrait of a City. Lanham: Taylor Trade Pub, 2011.

Dyfyniad MLA

Gottlieb, Steven. Washington: Portrait of a City. Lanham: Taylor Trade Pub, 2011.

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