APA
Knowles C., Pitt P., . (1972). The history of building regulation in London 1189 - 1972 with an account of the District Surveyor`s Association. London: Architectural Press.
Chicago
Knowles C.C, Pitt P.H, . 1972. The history of building regulation in London 1189 - 1972 with an account of the District Surveyor`s Association. London: Architectural Press.
Harvard
Knowles C., Pitt P., . (1972). The history of building regulation in London 1189 - 1972 with an account of the District Surveyor`s Association. London: Architectural Press.
MLA
Knowles C.C, Pitt P.H, . The history of building regulation in London 1189 - 1972 with an account of the District Surveyor`s Association. London: Architectural Press. 1972.
