International Symposium on the Chemical Control of the Human Environment Johannesburg, South Africa, South African Council for Scientific and Industrial Research, South African Chemical Institute, & International Union of Pure and Applied Chemistry. Applied Chemistry Division. (1970). The chemical control of the human environment: Plenary lectures presented at the International Symposium on the Chemical Control of the Human Environment held in Johannesburg, South Africa, 14-18 July 1969. Butterworths.
Cita Chicago (17th ed.)International Symposium on the Chemical Control of the Human Environment Johannesburg, South Africa, South African Council for Scientific and Industrial Research, South African Chemical Institute, i International Union of Pure and Applied Chemistry. Applied Chemistry Division. The Chemical Control of the Human Environment: Plenary Lectures Presented at the International Symposium on the Chemical Control of the Human Environment Held in Johannesburg, South Africa, 14-18 July 1969. London: Butterworths, 1970.
Cita MLA (8th ed.)International Symposium on the Chemical Control of the Human Environment Johannesburg, South Africa, et al. The Chemical Control of the Human Environment: Plenary Lectures Presented at the International Symposium on the Chemical Control of the Human Environment Held in Johannesburg, South Africa, 14-18 July 1969. Butterworths, 1970.