PEARSON, D. (1989). The natural house book: Creating healthy, harmonious and ecologically sound home. Conran Octopus.
Dyfyniad Arddull ChicagoPEARSON, David. The Natural House Book: Creating Healthy, Harmonious and Ecologically Sound Home. London: Conran Octopus, 1989.
Dyfyniad MLAPEARSON, David. The Natural House Book: Creating Healthy, Harmonious and Ecologically Sound Home. Conran Octopus, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.