Cita APA

(1969). The bacteriological examination of water supplies: [by the] Department of Health and Social Security [the] Welsh Office [and the] Ministry of Housing and Local Government H.M.S.O..

Citación estilo Chicago

The Bacteriological Examination of Water Supplies: [by The] Department of Health and Social Security [the] Welsh Office [and The] Ministry of Housing and Local Government. 4th ed. London: H.M.S.O., 1969.

Cita MLA

The Bacteriological Examination of Water Supplies: [by The] Department of Health and Social Security [the] Welsh Office [and The] Ministry of Housing and Local Government. 4th ed. London: H.M.S.O., 1969.