APA (7e ed.) Bronvermelding

Não informado. (1971). Environmental health and safety news. University of Washington, Environmental Research Laboratory.

Chicago (17e ed.) Bronvermelding

Não informado. Environmental Health and Safety News. Seattle, Wash: University of Washington, Environmental Research Laboratory, 1971.

MLA (8e ed.) Bronvermelding

Não informado. Environmental Health and Safety News. University of Washington, Environmental Research Laboratory, 1971.

Let op: Deze citaties zijn niet altijd 100% accuraat.