Dyfyniad APA

(2002). Ecology and design: Frameworks for learning. Washington, DC: Island Press.

Dyfyniad Arddull Chicago

Ecology and Design: Frameworks for Learning. Washington, DC: Island Press, 2002.

Dyfyniad MLA

Ecology and Design: Frameworks for Learning. Washington, DC: Island Press, 2002.

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