Dyfyniad APA

 Woodwell, G. M. (2009).  The nature of a house: Building a world that works.  Island Press.

Dyfyniad Arddull Chicago

 Woodwell, G. M.  The Nature of a House: Building a World That Works.  Island Press, 2009.

Dyfyniad MLA

 Woodwell, G. M.  The Nature of a House: Building a World That Works.  Island Press, 2009.

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