World Health Organization & Cassel, J. (1970). The Education and training of engineers for environmental health. World Health Organization.
Chicagoスタイル(17版)引用形式World Health Organization , John Cassel. The Education and Training of Engineers for Environmental Health. Geneva: World Health Organization, 1970.
MLA(8版)引用形式World Health Organization , John Cassel. The Education and Training of Engineers for Environmental Health. World Health Organization, 1970.
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