European Hygienic Equipment Design Group, Campden and Chorleywood Food Research Association, & Baumbach, F. (2005). Hygienic pipe couplings. published for EHEDG by CCFRA Technology.
Citação do estilo Chicago (17ª ed.)European Hygienic Equipment Design Group, Campden and Chorleywood Food Research Association, e F. Baumbach. Hygienic Pipe Couplings. Chipping Campden, UK: published for EHEDG by CCFRA Technology, 2005.
Citação MLA (9ª ed.)European Hygienic Equipment Design Group, et al. Hygienic Pipe Couplings. published for EHEDG by CCFRA Technology, 2005.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.