Cita APA (7th ed.)

Building Research Establishment. (1972). Guide to concrete pumping. H.M.S.O..

Cita Chicago (17th ed.)

Building Research Establishment. Guide to Concrete Pumping. London: H.M.S.O., 1972.

Cita MLA (8th ed.)

Building Research Establishment. Guide to Concrete Pumping. H.M.S.O., 1972.