Cita APA (7th ed.)

Great Britain. War Office. (1964). Concrete. H.M.S.O..

Cita Chicago (17th ed.)

Great Britain. War Office. Concrete. London: H.M.S.O., 1964.

Cita MLA (8th ed.)

Great Britain. War Office. Concrete. H.M.S.O., 1964.