Não informado. (1947). Hydraulics Research. Department of Scientific and Industrial Research, Hydraulics Research.
Citação do estilo Chicago (17ª ed.)Não informado. Hydraulics Research. London: Department of Scientific and Industrial Research, Hydraulics Research, 1947.
Citação MLA (8ª ed.)Não informado. Hydraulics Research. Department of Scientific and Industrial Research, Hydraulics Research, 1947.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.