Dyfyniad APA

Richardson, T., & Schwartz, M. (2008). Avant gardeners: 50 visionaries of the contemporary landscape. Thames & Hudson.

Dyfyniad Arddull Chicago

Richardson, Tim, and Martha Schwartz. Avant Gardeners: 50 Visionaries of the Contemporary Landscape. New York: Thames & Hudson, 2008.

Dyfyniad MLA

Richardson, Tim, and Martha Schwartz. Avant Gardeners: 50 Visionaries of the Contemporary Landscape. Thames & Hudson, 2008.

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