Dyfyniad APA

World Health Organization (WHO), United Nations Environment Programme, & the International Labour Organizations. (1992). Environmental health criteria 136: 1,1,1 - trichloroethane: International Programme on Chemical Safety (IPCS). World Health Organization (WHO).

Dyfyniad Arddull Chicago

World Health Organization (WHO), United Nations Environment Programme, and the International Labour Organizations. Environmental Health Criteria 136: 1,1,1 - Trichloroethane: International Programme on Chemical Safety (IPCS). Geneva: World Health Organization (WHO), 1992.

Dyfyniad MLA

World Health Organization (WHO), et al. Environmental Health Criteria 136: 1,1,1 - Trichloroethane: International Programme on Chemical Safety (IPCS). World Health Organization (WHO), 1992.

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