Kay, K. (1955). The environmental problem in the chemical industries. International Labour Organization.
Citazione stile Chigago Style (17a edizione)Kay, Kingsley. The Environmental Problem in the Chemical Industries. International Labour Organization, 1955.
Citatione MLA (9a ed.)Kay, Kingsley. The Environmental Problem in the Chemical Industries. International Labour Organization, 1955.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.