Dyfyniad APA
Building Research Establishment & Building Research Establishment. (1977). Building defects and maintenance: Essential information from the Building Research Establishment (2nd ed.). Construction Press.
Dyfyniad Arddull Chicago
Building Research Establishment and Building Research Establishment. Building Defects and Maintenance: Essential Information from the Building Research Establishment. 2nd ed. Lancaster ; New York: Construction Press, 1977.
Dyfyniad MLA
Building Research Establishment and Building Research Establishment. Building Defects and Maintenance: Essential Information from the Building Research Establishment. 2nd ed. Construction Press, 1977.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.