Bowland, J. G. (1972). The use of wood and wood-based building materials in new residential construction in Canada, 1969. Dept. of the Environment, Canadian Forestry Service.
Dyfyniad Arddull ChicagoBowland, James G. The Use of Wood and Wood-based Building Materials in New Residential Construction in Canada, 1969. Ottawa: Dept. of the Environment, Canadian Forestry Service, 1972.
Dyfyniad MLABowland, James G. The Use of Wood and Wood-based Building Materials in New Residential Construction in Canada, 1969. Dept. of the Environment, Canadian Forestry Service, 1972.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.