APA Citation

OMS. (1991). WHO technical report series; N.807: Environmental health in urban development. Geneva: OMS.

Trích dẫn kiểu Chicago

OMS. WHO Technical Report Series; N.807: Environmental Health in Urban Development. Geneva: OMS, 1991.

MLA Citation

OMS. WHO Technical Report Series; N.807: Environmental Health in Urban Development. Geneva: OMS, 1991.

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