Dyfyniad APA

American Society of Lanscape Architects. Landscape architecture.

Dyfyniad Arddull Chicago

American Society of Lanscape Architects. Landscape Architecture.

Dyfyniad MLA

American Society of Lanscape Architects. Landscape Architecture.

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