Jackson, A., & Day, D. (1992). Popular mechanics home-how to: Weatherproofing and insulation. Hearst Books.
Dyfyniad Arddull ChicagoJackson, Albert, and David Day. Popular Mechanics Home-how to: Weatherproofing and Insulation. New York: Hearst Books, 1992.
Dyfyniad MLAJackson, Albert, and David Day. Popular Mechanics Home-how to: Weatherproofing and Insulation. Hearst Books, 1992.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.