Dyfyniad APA

Winkler, G. (2011). Green facilities: Industrial and commercial LEED certification. MCGraw hill.

Dyfyniad Arddull Chicago

Winkler, Greg. Green Facilities: Industrial and Commercial LEED Certification. New York: MCGraw hill, 2011.

Dyfyniad MLA

Winkler, Greg. Green Facilities: Industrial and Commercial LEED Certification. MCGraw hill, 2011.

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