APA
Marsh N., . (1983). Patent roofing systems for building maintenance. Ascot, Berks: The Chartered Institute of Building.
Chicago
Marsh N.R, . 1983. Patent roofing systems for building maintenance. Ascot, Berks: The Chartered Institute of Building.
Harvard
Marsh N., . (1983). Patent roofing systems for building maintenance. Ascot, Berks: The Chartered Institute of Building.
MLA
Marsh N.R, . Patent roofing systems for building maintenance. Ascot, Berks: The Chartered Institute of Building. 1983.